Table 1. Demographic Variables Compared Between the Two Groups^a.

	Paracetamol	PCA Morphine	P Value
Age, y	38.5 ± 1.6	40.3 ± 2.4	0.647
Weight, kg	68.7 ± 13.2	68.1 ± 4.1	0.803
Gender			0.543
Male	20 (66.7%)	22 (73.3%)
Female	10 (33.3%)	8 (26.7%)
ASA class			0.216
I	22 (33.3%)	19 (28.8%)
II	8 (33.3%)	11 (45.8%)

^aAbbreviations: ASA, American society of anesthesiology; PCA, patient controlled analgesia.