Time of labor

Variables

AUC

SE

p

95% CI

Within < 48 hr

Cervical length

0.116

0.069

0.006

0.20 - 0.251

Positive FFN test

0.575

0.144

0.594

0.292 - 0.858

Positive PAMG-1 test

0.666

0.123

0.239

0.425 - 0.907

Within a range of 2 - 7 days

Cervical length

0.454

0.102

0.645

0.254 - 0.653

Positive FFN test

0.588

0.101

0.382

0.390 - 0.787

Negative PAMG-1 test

0.715

0.087

0.033

0.544 - 0.886

Within a range of 7 - 14 days

Cervical length

0.722

0.085

0.021

0.555 - 0.889

Negative FFN test

0.385

0.094

0.231

0.201 - 0.569

Negative PAMG-1 test

0.297

0.088

0.035

0.125 - 0.469