Table 2.

TPOAb and its utility for screening for PPTD: timing of screening and sensitivity, specificity, and PPV (adopted from [25] with permission).

Time of screening	Sensitivity	Specificity	PPV
Early pregnancy	0.67–1	0.62–0.93	0.31–0.55
3rd trimester	0.71	0.92	0.52
Delivery/early postpartum	0.45–0.89	0.91–0.97	0.4–0.73
Late postpartum	0.46–0.86	0.9–0.98	0.53–0.78