marginally non-significantp = 0.0587
Hypotension was significantly increased (RR 2.67; 95% CI 1.45–4.92; p = 0.0112; I2 = 0%), with leave-one-out sensitivity analyses yielding stable estimates ranging from RR 2.33 to 2.86, though omitting Laffin 2025 rendered the result marginally non-significant (RR 2.66; 95% CI 0.93–7.56; p = 0.0587).