The efficacy of intravenous paracetamol versus dipyrone for postoperative analgesia after day-case lower abdominal surgery in children with spinal anesthesia: a prospective randomized double-blind placebo-controlled study

Table 2 Intraoperative parameters in each groups

	Paracetamol (n = 20)	Dipyrone (n = 20)	Placebo (n = 20)
Number of patients requiring additional sedation	7	8	9
Local anesthetic volume (ml)	1.7 ± 0.6	1.6 ± 0.4	1.8 ± 0.5
Time to two segments regression of block (min)	75 ± 15	74 ± 12	73 ± 14
Number of patients requiring rescue analgesia n (%)	14^*(70%)	12^#(60%)	19 (95%)
Time to first dose of rescue analgesic (hour)	2.9 ± 1.3	2.1 ± 1.3	1.8 ± 1.3
Total dose of rescue analgesic (mg)	9.5 ± 5.9	10 ± 3.4	10.6 ± 4.7
Time to ready for discharge from PACU (min)	75 ± 18	74 ± 21	72 ± 24

Data are expressed as mean ± standart deviation and absolute number of cases (n). *P =0.037 paracetamol versus placebo, #P = 0.020 dipyrone versus placebo.

ISSN: 1471-2253