Table 1 Main outcomes
Birthweight <3rd centile – p1 (96 cases) | Birthweight ≥ 3rd < 10thcentile – p2 (259 cases) | All Cases – p3 (355 cases) | Controls – p4 (575 cases) | p value | |
|---|---|---|---|---|---|
Pathological CTG | 42 (43.8%) | 97 (37.4%) | 139 (39.1%) | 124 (21.6%) | p1 vs p2 = NS p1, p2 and p3 vs p4 < 0.001 |
Patterns more frequently observed in pathological CTG | Severe variable/late decelerations 36/42 (85.7%) | Severe variable/late decelerations 79/97 (81.4%) | Severe variable/late decelerations 115/139 (82.7%) | Severe variable/late decelerations 108/124 (87.1%) | NS |
Minutes from beginning of labour and pathological CTG (median, range) | 53 (0–277) | 130 (0–555) | 118 (0–555) | 170.5 (0–550) | p1 vs p2 and p4, p2 vs p4 < 0.05 p3 vs p4 < 0.001 |
Minutes from pathological CTG and delivery (median, range) | 67.5 (13–200) | 55 (8–200) | 59 (8–200) | 50 (7–306) | NS |
Minutes of labour (median, range) | 136.5 (40–603) | 172 (5–635) | 160 (5–635) | 200 (23–840) | p1 vs p2 < 0.05 p1, p2 and p3 vs p4 < 0.001 |