Table 5. Results of sensitivity analysis.
| Study type | Studies (n) | DHC group (n) | Control group (n) | χ2 | df | I2, % | P value | Analysis model | RR (95%CI) | P value |
|---|---|---|---|---|---|---|---|---|---|---|
| mRS 0–5 | 9 | 210 | 215 | 11.46 | 8 | 30 | 0.18 | Fixed | 1.96 (1.61–2.38) | <0.00001 |
| Random | 1.84 (1.44–2.35) | <0.00001 | ||||||||
| mRS 0–3 | 9 | 210 | 215 | 6.00 | 8 | 0 | 0.65 | Fixed | 1.62 (1.11–2.37) | 0.01 |
| Random | 1.50 (1.02–2.21) | 0.04 | ||||||||
| Age ≤60 | 4 | 77 | 75 | 2.07 | 3 | 0 | 0.56 | Fixed | 2.20 (1.60–3.04) | <0.00001 |
| Random | 2.10 (1.53–2.88) | 0.003 | ||||||||
| Age >60 | 3 | 95 | 106 | 3.80 | 2 | 47 | 0.15 | Fixed | 1.93 (1.45–2.59) | <0.00001 |
| Random | 1.91 (1.25–2.93) | <0.00001 | ||||||||
| mRS 0–5 | 6 | 151 | 162 | 7.92 | 5 | 37 | 0.16 | Fixed | 2.16 (1.69–2.75) | <0.00001 |
| ≤48 h | Random | 2.10 (1.52–2.90) | <0.00001 |