Effects of fluid therapy combined with a preoperative glucose load regimen on postoperative recovery in patients with rectal cancer

Table 5 Comparison of hemodynamic indicators, mean ± SD

Group	Number of cases	HR (times/min)					Mean arterial pressure (mmHg)					Pulse pressure variability (%)
		T0	T1	T2	T3	T4	T0	T1	T2	T3	T4	T0	T1	T2	T3	T4
Observation group	92	66.41 ± 4.55	67.25 ± 5.66	68.69 ± 4.60	68.99 ± 4.05	70.11 ± 4.05	76.02 ± 4.05	78.10 ± 6.25	80.01 ± 6.11	81.98 ± 6.40	83.99 ± 6.24	-	11.75 ± 1.02	9.87 ± 0.98	12.79 ± 1.13	8.82 ± 0.76
Control group	92	66.78 ± 4.25	67.05 ± 5.14	68.25 ± 4.05	68.11 ± 4.14	70.25 ± 4.22	76.27 ± 5.60	77.89 ± 6.11	80.25 ± 6.45	82.66 ± 6.52	84.14 ± 6.66	-	12.01 ± 1.25	9.89 ± 0.94	14.96 ± 1.35	9.02 ± 0.77
t value		0.570	0.251	0.689	1.457	0.230	0.347	0.230	0.259	0.714	0.158		1.546	0.141	11.823	1.773
P value		0.569	0.802	0.492	0.147	0.819	0.729	0.818	0.796	0.476	0.875		0.124	0.888	< 0.001	0.078