Table 4.
Aggregate meta-analyses comparing CTG+ST vs. CTG alone. The Plymouth, Swedish, Finnish and Dutch RCTs were included in the meta-analyses, calculated with the COCHRANE REVIEW MANAGER statistical computer software version 5.2.7
| Outcome | No. of participants | RR (95% CI) fixed-effect | RR (95% CI) random-effect | I 2 | Chi-square p-value |
|---|---|---|---|---|---|
| Fetal scalp blood sampling | 14 539 | 0.63 (0.58–0.69) | 0.64 (0.47–0.88) | 90% | <0.00001 |
| Total cesarean sectiona | 14 539 | 1.00 (0.91–1.10) | 1.00 (0.91–1.11) | 10% | 0.34 |
| Fetal distress among all cesarean sections | 1546 | 0.97 (0.77–1.22) | 0.84 (0.54–1.32) | 66% | 0.03 |
| Total operative vaginal delivery | 14 539 | 0.88 (0.81–0.95) | 0.88 (0.81–0.95) | 0% | 0.97 |
| Fetal distress among all operative vaginal deliveries | 1977 | 0.95 (0.85–1.06) | 0.90 (0.72–1.12) | 73% | 0.01 |
| Total operative delivery | 14 539 | 0.93 (0.88–0.99) | 0.93 (0.88–0.99) | 0% | 0.44 |
| Fetal distress among all operative deliveries | 3523 | 0.95 (0.86–1.04) | 0.87 (0.68–1.10) | 83% | 0.0004 |