Table 4.

Comparison of postoperative sleep quality between the two groups.

Group	Time in bed	Sleep time	Sleep efficiency	Sleep quality	Sleep disorders	Use of sleeping pills	Daytime function	Total score
Control group (n = 34)	0.62 ± 0.697	1.5 ± 0.929	1.12 ± 0.729	1.41 ± 0.925	1.74 ± 0.828	0.88 ± 0.537	0.5 ± 0.663	7.76 ± 1.759
Cocktail group (n = 41)	0.22 ± 0.525∗	0.78 ± 0.69∗	0.59 ± 0.741∗	0.83 ± 0.803∗	1.07 ± 0.648∗	0.44 ± 0.594∗	0.29 ± 0.461	4.22 ± 2.77∗
Z value	−2.942	−3.351	−3.025	−2.664	−3.379	−3.33	−1.292	−5.207
P value	P ≤ 0.01	P ≤ 0.01	P ≤ 0.01	P ≤ 0.01	P ≤ 0.01	P ≤ 0.01	P ≤ 0.01	P ≤ 0.01