Fig. 2From: Role of ultrasound guided transversus abdominis plane block as a component of multimodal analgesic regimen for lower segment caesarean section: a randomized double blind clinical studyKaplan Meier graph showing the % of patients in each group not requiring supplemental analgesia over time (p < 0.0001, log rank test). TAP – transversus abdominis planeBack to article page