| Quality assessment | Number of patients | Effect | Quality | Importance | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of studies | Design | Risk of bias | Inconsistency | Indirectness | Imprecision | Other considerations | Exercise | No intervention | Relative (95% CI) | Absolute | ||
| Birth weight <2500 grams | ||||||||||||
| 1 (Kasawara 2013) | randomised trials | very serious1 | no serious inconsistency | serious2 | very serious3 | none |
9/56 (16.1%) |
11/53 (20.8%) | RR 0.77 (0.35 to 1.72) | 48 fewer per 1000 (from 135 fewer to 149 more) | VERY LOW | IMPORTANT |
| Birth weight 2500-3999 grams | ||||||||||||
| 1 (Kasawara 2013) | randomised trials | very serious1 | no serious inconsistency | serious2 | serious4 | none |
41/56 (73.2%) |
35/53 (66%) | RR 1.11 (0.86 to 1.42) | 73 more per 1000 (from 92 fewer to 277 more) | VERY LOW | IMPORTANT |
| Birth weight ≥4000 grams | ||||||||||||
| 1 (Kasawara 2013) | randomised trials | very serious1 | no serious inconsistency | serious2 | serious5 | none |
5/56 (8.9%) |
11/53 (20.8%) | RR 0.43 (0.16 to 1.16) | 118 fewer per 1000 (from 174 fewer to 33 more) | VERY LOW | IMPORTANT |
| Admission to neonatal unit | ||||||||||||
| 1 (Kasawara 2013) | randomised trials | very serious1 | no serious inconsistency | serious2 | very serious3 | none |
12/56 (21.4%) |
13/53 (24.5%) | RR 0.87 (0.44 to 1.74) | 32 fewer per 1000 (from 137 fewer to 182 more) | VERY LOW | IMPORTANT |
| Mode of birth (caesarean section) | ||||||||||||
| 1 (Kasawara 2013) | randomised trials | very serious1 | no serious inconsistency | no serious indirectness | serious5 | none |
36/56 (64.3%) |
41/53 (77.4%) | RR 0.83 (0.65 to 1.06) | 132 fewer per 1000 (from 271 fewer to 46 more) | VERY LOW | IMPORTANT |
The quality of the evidence was downgraded by 2 levels as participants and personnel were not blinded to treatment allocation; it was unclear whether outcome assessors were blinded to treatment allocation and there was an unclear risk of selective reporting
The quality of the evidence was downgraded by 1 level as 9.49% of women did not present with chronic hypertension
The quality of the evidence was downgraded by 2 levels as the 95% CI crossed 2 default MID thresholds (0.8 and 1.25)
The quality of the evidence was downgraded by 1 level as the 95% CI crossed 1 default MID threshold (1.25)
The quality of the evidence was downgraded by 1 level as the 95% CI crossed 1 default MID threshold (0.8)
From: Evidence review for interventions for chronic hypertension
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