Table 1 Description of the studies.

From: Clinical use of artificial intelligence in endometriosis: a scoping review

Year

Author [ref.]

Study design

Intervention

Purpose

Objective

Sample size

AI accuracy for best model

2022

Bendifallah et al.50

Retrospective

Logistic Regression, Random Forest, Decision Tree, eXtreme Gradient Boosting, Voting Classifier (soft/hard)

Prediction

Predict likelihood of endometriosis based on 16 essential clinical and symptom-based features related to patient history, demographics, endometriosis phenotype and treatment

1126 endometriosis patients, 608 controls

SE = 93%

SP = 92%

2022

Bendifallah et al.35

Prospective

Logistic Regression, Random Forest eXtreme Gradient Boosting, AdaBoost

Diagnosis

Diagnosis of endometriosis using a blood-based mRNA diagnostic signature

200 plasma samples (153 cases, 47 controls)

SE = 96.8%

SP = 100%

2021

Maicus et al.61

Prospective

Resnet (2 + 1)D

Diagnosis

Classification of the state of the Pouch of Douglas using the sliding sign test on ultrasound

749 transvaginal ultrasound videos (414 training set, 139 validation set, 196 test set)

SE = 88.6%

SP = 90%

2021

Guerriero et al.59

Retrospective

K-Nearest Neighbor, Naïve Bayes, Neural Networks, SVM, Decision Tree, Random Forest, Logistic Regression

Prediction

Detection of endometriotic bowel involvement in rectosigmoid deep endometriosis

333 patients

SE = 72%

SP = 73%

2021

Li et al.52

Retrospective

Deep Machine Learning Algorithm (NNET)

Diagnosis

Diagnosis of endometriosis based on genes

213 patients

SE = 100%

SP = 61.1%

2020

Matta et al.30

Retrospective Case–Control

Logistic Regression, ANN, SVM, Adaptive Boosting, PLSDA

Research

Identify biomarkers of internal exposure in adipose tissue most associated with endometriosis

99 women (44 controls, 55 cases)

SE = NR

SP = NR

2020

Akter et al.53

Retrospective

New Ensemble Machine Learning Classifier (GenomeForest)

Diagnosis

Classifying endometriosis versus control patients using RNAse and enrichment-based DNA-methylation datasets

38 single-end RNA-sequence samples, 80 MBD-sequence DNA-methylation samples

Transcriptomics Data

SE = 93.8%

SP = 100%

Methylomics Data

SE = 92.9%

SP = 88.6%

2020

Perrotta et al.54

Prospective Observational Cross-Sectional Pilot

Random Forest-Based Machine Learning Classification Analysis

Diagnosis

Diagnosis of endometriosis using gut and/or vaginal microbiome profiles

59 women (24 controls, 35 endometriosis patients)

SE = NR

SP = NR

2020

Guo et al.58

Retrospective Cohort

Logistic Regression

Prediction

Predict any-stage and stage 3/4 endometriosis before surgery in infertile women

1016 patients (443 without endometriosis, 377 patients with stage 1/2 endometriosis, 196 patients with stage 3/4 endometriosis)

SE = NR

SP = NR

2021

Vesale et al.45

Retrospective

Logistic Regression

Prediction

Predict likelihood of voiding dysfunction after surgery for deep endometriosis

789 patients

SE = NR

SP = NR

2019

Benoit et al.46

Retrospective

Logistic Regression

Prediction

Predict likelihood of a live birth after surgery followed by ART for patients with endometriosis-related infertility

297 women

SE = NR

SP = NR

2019

Lee et al.29

Retrospective

Recommendation System

Research

Identify diseases associated with endometriosis

1,730,562 controls, 11,273 cases

SE = NR

SP = NR

2019

Braga et al.36

Prospective Case–Control

PLSDA

Diagnosis

Develop an adjuvant tool for diagnosis of grades 3 and 4 endometriosis in infertile patients

50 endometriosis serum samples, 50 control samples

SE = NR

SP = NR

2019

Chattot et al.57

Prospective Observational

Logistic Regression

Prediction

Predict rectosigmoid involvement in endometriosis using preoperative score

119 women undergoing surgery for endometriosis

SE = NR

SP = NR

2019

Knific et al.31

Retrospective

Decision Tree, Linear Model, K-Nearest Neighbor, Random Forest

Diagnosis

Diagnosis of endometriosis based on plasma levels of proteins and patients’ clinical data

210 patients

SE = 40%

SP = 65%

2019

Parlatan et al.37

Retrospective

K-Nearest Neighbor, SVM, PCA

Diagnosis

Diagnosis of endometriosis using non-invasive Raman spectroscopy-based classification model

94 serum samples (49 endometriosis, 45 controls)

SE = 89.7%

SP = 80.5%

2019

Akter et al.55

Retrospective

Decision Tree, PLSDA, SVM, Random Forest

Diagnosis

Classify endometriosis versus control biopsy samples using transcriptomics or methylomics data

38 samples in transcriptomics dataset, 77 samples in methylomics dataset

Transcriptomics Data

SE = 81.3%

SP = 95.5%

Methylomics Data

SE = 76.2%

SP = 80%

2018

Bouaziz et al.28

Retrospective

NLP

Research

Using NLP to extract data by text mining of the endometriosis-related genes in the PubMed database

724 genes retrieved

SE = NR

SP = NR

2017

Dominguez et al.33

Prospective Case–Control

SVM

Diagnosis

Diagnosis of endometriosis using lipidomic profiling of endometrial fluid in patients with ovarian endometriosis

12 endometriosis, 23 controls

SE = 58.3%

SP = 100%

2016

Ghazi et al.38

Prospective Cohort

PLSDA, Multi-Layer Feed Forward ANN, QDA

Prediction

Determine classifier metabolites for early prediction risk of disease

31 infertile women with endometriosis, 15 controls

SE = NR

SP = NR

2015

Reid et al.60

Prospective Observational

Logistic Regression

Prediction

Use mathematical ultrasound models to determine whether a combination of transvaginal sonography markers could improve prediction of Pouch of Douglas obliteration

189 women with suspected endometriosis

Model 1

SE = 88%

SP = 97%

Model 2

SE = 88%

SP = 99%

2014

Lafay Pillet et al.47

Prospective

Logistic Regression

Diagnosis

Diagnose DE before surgery for patients operated on for endometriomas

164 patients with DIE, 162 with no DIE

SE = 51%

SP = 94%

2014

Tamaresis et al.56

Retrospective

Margin Tree Classification

Diagnosis

Detect and stage pelvic endometriosis using genomic data from endometrium

148 endometrial samples

SE = NR

SP = NR

2014

Wang et al.39

Prospective Case–Control

Genetic Algorithm, Decision Tree Algorithm, Quick Classifier Algorithm

Diagnosis

Diagnosis of endometriosis and stage using peptide profiling

122 patients

SE = 90.9%

SP = 92.9%

2013

Wang et al.51

Retrospective

Decision Tree

Prediction

Predict medical care decision rules for patients with recurrent pelvic cyst after surgical interventions

178 case records

SE = NR

SP = NR

2012

Ballester et al.48

Prospective Longitudinal Study

Logistic Regression

Prediction

Prediction of clinical pregnancy rate in patients with endometriosis

142 infertile patients with DIE

SE = 66.7%

SP = 95.7%

2012

Fassbender et al.40

Retrospective

LSSVM

Diagnosis

Diagnosis of endometriosis undetectable by ultrasonography

254 plasma samples (89 controls, 165 endometriosis patients)

SE = 88%

SP = 84%

2012

Fassbender et al.41

Retrospective

LSSVM

Diagnosis

Diagnosis of endometriosis through mRNA expression profiles in luteal phase endometrium biopsies

49 endometrial biopsies

SE = 91%

SP = 80%

2012

Vodolazkaia et al.34

Retrospective Cohort

Logistic Regression, LSSVM

Diagnosis

Diagnosis of endometriosis in symptomatic patients without U/S evidence of endometriosis

121 controls, 232 endometriosis patients

SE = 81%

SP = 81%

2012

Dutta et al.42

Prospective

PLSDA

Prediction

Identification of predictive biomarkers in serum for early diagnosis of endometriosis in a minimally invasive manner

22 endometriosis, 23 controls

SE = 81.8%

SP = 91.3%

2012

Nnoaham et al.27

Prospective Observational

Logistic Regression

Prediction

Predict any-stage endometriosis and stage 3 and 4 disease with a symptom-based model

1396 symptomatic women

SE = 82.6%

SP = 75.8%

2010

Wang et al.26

Retrospective

ANN

Prediction

Screening for biomarkers of eutopic endometrium in endometriosis patients

26 patients

SE = 91.7%

SP = 90.9%

2009

Wolfler et al.43

Prospective Exploratory Cohort

Genetic Algorithm

Prediction

Predict endometriosis before laparoscopy using patterns of serum proteins in symptomatic patients

91 symptomatic patients

SE = 81.3%

SP = 60.3%

2009

Stegmann et al.62

Prospective Cohort

Logistic Regression

Prediction

Prediction of lesions that have high probability of containing histologically-confirmed endometriosis

114 women with complete data on 487 lesions

SE = 88.4%

SP = 24.6%

2008

Wang et al.44

Retrospective

ANN

Diagnosis

Diagnostic model to correctly detect endometriosis and no endometriosis in serum samples using potential biomarkers of endometriosis

66 serum samples

SE = 91.7%

SP = 90%

2005

Chapron et al.49

Prospective

Logistic Regression

Prediction

Predict presence of posterior deep endometriosis among women with chronic pelvic pain symptoms

134 women scheduled for laparoscopy for chronic pelvic pain symptoms

SE = 68.6%

SP = 77.1%

  1. NR not reported, PLSDA partial least squares discriminant analysis, QDA quadratic discriminant analysis, SVMs support vector machines, ANNs artificial neural networks, LSSVMs least squares support vector machines, PCA principal component analysis, NLP natural language processing, DE deep endometriosis, U/S ultrasound, miRNAs microRNAs, ART assisted reproductive technology, RNA ribonucleic acid, DNA deoxyribonucleic acid, MBD methyl binding domain, SE sensitivity, SP specificity.