The Effect of Peritubal Infiltration with Bupivacaine and Morphine on Postoperative Analgesia in Patients Undergoing Percutaneous Nephrolithotomy

Table 1

Patient characteristics [mean ± standard deviation, , (%)].

	Group P; ()	Group C; ()
Age (year)	48.53 ± 11	48.94 ± 12.3	0.84
Sex			0.88
(i) Female	26, (39.4)	26, (40.6)
(ii) Male	40, (60.6)	48, (59.4)
History of regional anesthesia			0.41
(i) Yes	18, (27.3)	13, (20.3)
(ii) No	48, (72.7)	51, (79.7)
			0.50
(i) I	22, (33.3)	15, (23.4)
(ii) II	43, (65.2)	48, (75)
(iii) III	1, (1.5)	1, (1.6)
Educational level			0.40
(i) Not being illiterate	23 (34.8)	20 (31.3)
(ii) Primary school	22 (33.3)	19 (29.7)
(iii) Middle school	5 (7.6)	7 (10.9)
(iv) High school	10 (15.2)	16 (25)
(v) University	6 (9.1)	2 (3.1)

: American Society of Anesthesiology.