Penehyclidine mitigates postoperative nausea and vomiting and intraoperative oculocardiac reflex in patients undergoing strabismus surgery: a prospective, randomized, double-blind comparison

Table 1 General characteristics of patients

Parameters	Normal saline (n = 104)	Penehyclidine (n = 114)	P value
Age (year)	10 (11)	11 (14)	0.398
Gender (Male/Female)	61/43	57/57	0.222
Body weight (kg)	42.5 (33.4)	47.5 (33.3)	0.412
Body height (cm)	150 (43)	155 (35)	0.656
Duration of surgery (min)	28 (16)	30 (16)	0.668
Duration of anesthesia (min)	64 (17.3)	63.5 (20)	0.631
Unilateral/bilateraloperation	18/86	19/95	1.000
Number of operated muscles	3 (2)	3 (2)	0.753

Age, body weight, body height, duration of surgery, duration of anesthesia and number of operated muscles are expressed as medium (IQR), and compared by Mann-Whitney U test between normal saline group and penehyclidine group. Gender is expressed as numbers of male/female patients and unilateral/bilateral operation is expressed as numbers of the respective patients. Fisher’s exact test was used for comparison between normal saline group and penehyclidine group

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