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Summary of results of a meta-analysis comparing other outcomes in the mild and moderate to severe groups
| Outcomes | No. Studies | No. patients | Heterogeneity(I2, %) | Model | Results |
|---|---|---|---|---|---|
| Maternal NYHA III-IV during pregnancy | 23 | 1876 | 28 | FE | RR:0.26, 95%CI:0.21–0.31, p <0.00001 |
| General anesthesia | 7 | 569 | 61 | RE | RR:0.72, 95%CI:0.49–1.06, p = 0.10>0.05 |
