Table 3.

Postoperative Variables Between the Two Groups

	Group D1 (n=35)	Group D2 (n=36)	P-values
Patients required rescue analgesia, n (%)	14 (40.00%)	6 (16.67%)*	0.029
Time to first dose of rescue analgesia (h)	4.26 (2.73–7.83)	6.34 (3.56–9.27)*	0.025
Total dose of rescue analgesia (µg)	35.76±6.07	21.66±3.47**	0.001
Patient satisfaction score	4.00 (3.00–5.00)	4.25 (3.25–5.00)	0.065
Surgeon satisfaction score	4.50 (4.00–5.00)	4.75 (4.25–5.00)	0.085
Chest tube removed (d)	2.13±0.56	1.91±0.62	0.122
Length of hospital (d)	6.73±1.47	6.98±1.62	0.499
Quality of Life Scale	72.34±14.92	65.24±18.24	0.077
Activity of daily living score	14.55±4.83	16.23±4.77	0.145
The prevalence of chronic pain	10 (28.57%)	8 (22.22%)	0.539

Notes: Variables presented as mean±SD, number of patients n (%) or median (interquartile range). *P <0.05 vs Group D1, **P <0.01 vs Group D1.