Application of dezocine patient-controlled epidural analgesia in postoperative analgesia in patients with total myomectomy

Table 6 Comparison of polysomnography parameters between the two groups

Group	n	1 d before surgery	1 d after surgery	2 d after surgery	1 d before surgery	1 d after surgery	2 d after surgery
		TST in min			SE, %
Control group	50	465.25 ± 47.85	358.12 ± 31.05a	382.02 ± 38.96a	96.58 ± 5.02	72.26 ± 4.22a	82.69 ± 4.91a
Observation group	50	471.56 ± 42.93	389.96 ± 35.22a	418.96 ± 42.56a	95.23 ± 5.27	79.56 ± 4.41a	87.16 ± 5.11a
t		0.694	4.795	4.527	1.312	4.981	4.460
P value		0.489	0.000	0.000	1.984	0.000	0.000
		REMS, %			AI, n/h
Control group	50	20.85 ± 3.12	14.02 ± 2.16a	15.89 ± 2.11a	1.54 ± 0.48	4.25 ± 0.63a	4.09 ± 0.45a
Observation group	50	20.79 ± 3.25	17.85 ± 2.48a	19.08 ± 2.37a	1.57 ± 0.45	3.17 ± 0.55a	2.61 ± 0.37a
t		0.094	8.235	7.109	0.322	9.132	17.963
P value		0.925	0.000	0.000	0.748	0.000	0.000

^aP < 0.01 vs 1 d before surgery.

Data are mean ± standard deviation.