Construction and application of composite insulation scheme in the perioperative period of patients undergoing laparoscopic colorectal cancer surgery

Table 1 Comparison of heart rate and systolic blood pressure at all times postoperatively between the two groups, mean ± SD

Groups	Cases	Heart rate (bpm)	Systolic blood pressure (mmHg)
Conventional group	50
Immediate postoperative		67.56 ± 5.32	119.34 ± 12.76
15 minutes postoperative		76.23 ± 16.45a,1	123.24 ± 19.34a,1
30 minutes postoperative		63.45 ± 16.45a,1,2	142.30 ± 20.63a,1,2
Intervention group	50
Immediate postoperative		57.94 ± 7.61	116.18 ± 17.10
15 minutes postoperative		63.20 ± 14.39a,3	122.58 ± 22.66a,3
30 minutes postoperative		61.78 ± 11.67a,3	126.48 ± 20.85a,3
Ftime, Ptime		33.483, < 0.001	2.358, < 0.05
Finter group, Pinter group		7.876, < 0.001	24.437, < 0.001
Ftime × inter group, Ptime × inter group		3.987, < 0.001	4.136, < 0.001

^aP < 0.05.

¹Comparison with the same group in the immediate postoperative period.

²Comparison with the same group at 15 minutes postoperatively.

³Comparison with the same period in the regular group.