Table 3 Association between nomogram scores and EP risk in training and validation set.

From: Development and validation of a nomogram for predicting ectopic pregnancy in patients receiving double fresh cleavage stage embryo transfer

Model

Cut-off score

AUC (95% CI)

Groups

OR (95% CI)

Sensitivity (%)

Specificity (%)

Training set

86.10

0.768

(0.732–0.805)

High risk

4.950

(3.623–6.711)

64.30

74.60

Low risk

Ref

Validation set

0.756

(0.703–0.810)

High risk

4.587

(2.899, 7.246)

60.30

76.40

Low risk

Ref

  1. CI = confidence interval, OR = odds ratio.
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