Variable description | Prevalence | Sensitivity (95% CI) | Specificity (95% CI) | True Positives N | False Positives N | False Negatives N | True Negatives N | Kappa (95% CI) |
---|---|---|---|---|---|---|---|---|
Caesarean delivery | 756/2695 (28.1) | 99.7 (99.0,100.0) | 99.8 (99.6,100.0) | 706 | 3 | 2 | 1984 | 0.99 (0.99,0.99) |
Epidural usage | 1477/2859 (51.7) | 90.7 (89.1,92.2) | 82.2 (80.1,84.2) | 1340 | 246 | 137 | 1136 | 0.73 (0.71,0.76) |
Infant gender | Males: 1362/2621 (52.0) | 99.4 (98.8,99.7) | 99.0 (98.2,99.5) | 1274 | 12 | 8 | 1180 | 0.98 (0.98,0.99) |
Low birth weight | 159/2552 (6.2) | 96.5 (92.1,98.9) | 97.8 (97.1,98.3) | 139 | 53 | 5 | 2355 | 0.82 (0.77,0.86) |
Labour induction | 755/2796 (27.0) | 87.3 (84.7,89.6) | 90.6 (89.2,81.8) | 659 | 192 | 96 | 1849 | 0.75 (0.72,0.78) |
Multiple gestation pregnancy | 36/2693 (1.3) | 94.3 (80.8,99.3) | 99.8 (99.6,99.9) | 33 | 5 | 2 | 2653 | 0.90 (0.83,0.97) |
Post-term births | 1373/2677 (51.3) | 94.9 (91.5,97.3) | 88.5 (87.1,89.7) | 243 | 279 | 13 | 2142 | 0.57 (0.53,0.61) |
Preterm births | 208/2677 (7.8) | 94.8 (90.6,97.5) | 98.4 (97.8,98.8) | 182 | 40 | 10 | 2445 | 0.87 (0.83,0.91) |