DHCA (<20) DHCA (<20) MHCA (20-25) MHCA (20-25) Mild HCA (>25) Mild HCA (>25)
Characteristic
Pooled estimate (95% CI) Number of studies (I2) Pooled estimate (95% CI) Number of studies (I2) Pooled estimate (95% CI) Number of studies (I2)
Operative mortality
9.9 (7.1–13.7) 25 (88.5%) 8.4 (6.1–11.6) 31 (87.5%) 5.7 (3.4–9.4) 9 (85.1%)
Postoperative stroke
8.5 (5.7–12.4) 24 (90.7%) 5.8 (4.3–7.6) 31 (75.6%) 4.9 (3.2–7.6) 10 (74.2%)
Postoperative AKI
15.3 (8.1–27.1) 14 (97.4%) 13.3 (7.8–24.3) 15 (97.0%) 10.3 (1.5–46.1) 2 (91.0%)