Intrathecal Nalbuphine Versus Other Opioids as Adjuvant to 0.5% Hyperbaric Bupivacaine in Caesarean Section: A Systematic Review and Meta-Analysis.

Sensitivity analysis resulted in a borderline non-significant pooled effect (MD = 0.53 min, 95% CI 0.00–1.05, p = 0.05; I 2 = 95%) ( Figure 11 ), suggesting that the primary finding lacks robustness and remains affected by considerable heterogeneity.

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