Table 6 Diagnostic and predictive models built using mixed variables.

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

AI methods used

Authors [ref.]

Stage of endometriosis

Type of endometriosis

Sample size

Inputs used

Evaluation

Metric

Logistic Regression

Guo et al.58

All stages of endometriosis and stage 3/4 endometriosis

NR

1016 infertile patients

for any-stage endometriosis nomogram: BMI, Cycle length, parity, palpable nodularity, endometrioma diagnosed on TVS, tubal pathology; for stage 3–4 endometriosis nomogram: pain, palpable nodularity, endometrioma diagnosed on TVS

SE = NR

SP = NR

Logistic Regression

Chattot et al.57

Not specified

NR

119 patients (47 endometriosis with rectosigmoid involvement, 72 endometriosis without rectosigmoid involvement)

Palpation of a posterior nodule on digital examination, UBESS score of 3 on ultrasonography, rectosigmoid involvement in endometriosis infiltration on MRI, presence of blood in the stools during menstruation

SE = NR

SP = NR

Logistic Regression

Nnoaham et al.27

Stage 3 and 4 endometriosis

NR

1396 symptomatic women

Ultrasound evidence, menstrual dyschezia, ethnicity, history of benign ovarian cysts

SE = 82.6%

SP = 75.8%

  1. NR not reported, BMI body mass index, TVS transvaginal ultrasound, UBESS ultrasound-based endometriosis staging system, MRI magnetic resonance imaging, SE sensitivity, SP specificity.