Table 3 Predictive performance statistics for models in the individual IPPIC-UK cohorts with over 100 events
Model no. | Author (year) | Predictor | Sovio 2015 (4212 women) | Stirrup 2015 (54,635 women) | Ayorinde 2016 (136,635 women) | Poston 2006 (2422 women) | Fraser 2013 (14,344 women) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C-statistic (95% CI) | Calibration slope (95% CI) | CITL (95% CI) | C-statistic (95% CI) | Calibration slope (95% CI) | CITL (95% CI) | C-statistic (95% CI) | Calibration slope (95% CI) | CITL (95% CI) | C-statistic (95% CI) | Calibration slope (95% CI) | CITL (95% CI) | C-statistic (95% CI) | Calibration slope (95% CI) | CITL (95% CI) | |||
Any-onset pre-eclampsia models | |||||||||||||||||
 4 | Baschat 2014a | Clinical and biochemical | 0.71 (0.67, 0.74) | 1.24 (1.03, 1.44) | 0.66 (0.53, 0.78) |  |  |  |  |  |  |  |  |  |  |  |  |
 5 | Goetzinger 2010 | 0.76 (0.73, 0.80) | 1.71 (1.50, 1.91) | − 0.07 (− 0.20, 0.05) |  |  |  |  |  |  |  |  |  |  |  |  | |
 6 | Odibo 2011a | 0.78 (0.74, 0.81) | 1.49 (1.33, 1.65) | − 0.03 (− 0.16, 0.09) | 0.67 (0.65, 0.69) | 0.96 (0.89, 1.04) | − 0.90 (− 0.95, − 0.85) |  |  |  |  |  |  |  |  |  | |
 8 | Yu 2005a | Clinical and ultrasound | 0.61 (0.57, 0.65) | 0.08 (0.01, 0.14) | Not estimable |  |  |  |  |  |  |  |  |  |  |  |  |
Early-onset pre-eclampsia models | |||||||||||||||||
 9 | Baschat 2014b | Clinical |  |  |  |  |  |  |  |  |  | 0.67 (0.63, 0.72) | 1.28 (0.90, 1.66) | 1.80 (1.63, 1.97) |  |  |  |
 11 | Kuc 2013a |  |  |  | 0.64 (0.59, 0.68) | 0.34 (0.23, 0.46) | − 4.51 (− 4.67, − 4.35) | 0.68 (0.67, 0.70) | 0.47 (0.43, 0.51) | − 3.39 (− 3.45, − 3.33) |  |  |  |  |  |  | |
Late-onset pre-eclampsia models | |||||||||||||||||
 18 | Crovetto 2015b | Clinical | 0.78 (0.75, 0.81) | 1.25 (1.12, 1.38) | 1.31 (1.18, 1.44) |  |  |  |  |  |  |  |  |  |  |  |  |
 19 | Kuc 2013b | 0.60 (0.56, 0.64) | 0.67 (0.45, 0.89) | − 1.49 (− 1.61, − 1.36) | 0.64 (0.62, 0.65) | 0.63 (0.56, 0.70) | − 1.97 (− 2.03, − 1.92) | 0.84 (0.64 to 0.94) | 0.75 (0.45, 1.04) | − 1.44 (− 2.09, − 0.79) |  |  |  | 0.66 (0.62, 0.70) | 0.76 (0.55, 0.97) | − 1.57 (− 1.70, − 1.45) | |
 24 | Yu 2005c | Clinical and ultrasound | 0.61 (0.57, 0.64) | 0.08 (0.01, 0.15) | Not estimable |  |  |  |  |  |  |  |  |  |  |  |  |