Table 2 The pooled data
RR (95% CI) | p of RR | I2 | p of Heterogeneity | p of Begg’s test | p of Egger’s test | ||
|---|---|---|---|---|---|---|---|
Minimally invasive group vs. conservative group | Rate of patients with a GOS score > 4 points | 1.546 (1.121, 1.972) | < 0.001 | 0.0% | 0.763 | 0.734 | 0.093 |
Pulmonary infection rate | 0.610 (0.342, 1.086) | 0.038 | 0.0% | 0.489 | 1.000 | 0.917 | |
Mortality rate | 0.265 (0.173, 0.404) | < 0.001 | 14.5% | 0.321 | 0.707 | 0.425 | |
Minimally invasive group vs. craniotomy group | Rate of patients with a GOS score > 4 points | 1.678 (1.099, 2.590) | 0.017 | 67.5% | 0.015 | 0.221 | 0.178 |
Rate of patients with a ADL score > 3 points | 1.259 (1.133, 1.400) | < 0.001 | 0.0% | 0.630 | 0.308 | 0.336 | |
Pulmonary infection rate | 0.700 (0.430, 1.141) | 0.449 | 77.8% | 0.011 | 0.296 | 0.08 | |
Rebleeding rate | 0.468 (0.263, 0.832) | 0.001 | 0.0% | 0.524 | 1.000 | 0.656 | |
Mortality rate | 0.839 (0.649, 1.086) | 0.182 | 44.9% | 0.080 | 0.386 | 0.132 |