Ultrasound-guided quadratus lumborum block with general anesthesia for perioperative circulatory stability in colorectal cancer surgery

Table 8 Changes in postoperative pain and recovery indicators, mean ± SD

Time point	Group	VAS (score)	t value	P value	First time out of bed (hour)	t value	P value	First exhaust time (hour)	t value	P value	Inpatient days (day)	t value	P value
T1	Experiment group (n = 58)	5.88 ± 0.95	2.341	0.021a
	Control group (n = 58)	6.45 ± 0.88
T2	Experiment group (n = 58)	4.32 ± 0.78	2.557	0.012a	19.65 ± 2.35	1.871	0.064
	Control group (n = 58)	4.88 ± 0.81			21.12 ± 2.44
T3	Experiment group (n = 58)	2.95 ± 0.56	2.912	0.005a				29.32 ± 3.12	2.145	0.035a
	Control group (n = 58)	3.45 ± 0.62						31.65 ± 3.21
T4	Experiment group (n = 58)	1.88 ± 0.44	3.231	0.002a							7.65 ± 1.22	2.901	0.006a
	Control group (n = 58)	2.45 ± 0.55									8.45 ± 1.35

^aP < 0.05.

P indicating a statistically significant difference. VAS: Visual analogue scale.