Effects of spinal anaesthesia and intravenous general anaesthesia on the absorption of normal salinein patients undergoing hysteroscopic endometrial resection: an observational study

Table 2 The amount of normal saline irrigated and absorbed, intraoperative intravenous infusion volume, urine volume and operation time

Groups	n	Absorption of normal saline(ml)	Irrigation of normal saline (ml)	Intravenous infusion(ml)	Operation time(min)	Urine volume(ml)
S₁	36	317.8 ± 16.8	4118.6 ± 287.5	428.7 ± 78.3	25.8 ± 1.6	224.8 ± 43.4
S₂	27	415.8 ± 14.7^*#	6215.8 ± 496.6^*#	514.1 ± 66.4^*#	53.6 ± 4.4^*#	316.5 ± 48.8^*#
PF₁	33	307.2 ± 11.2	4087.2 ± 356.6	436.2 ± 50.0	26.3 ± 2.0	231.4 ± 50..7
PF₂	30	421.2 ± 13.7^*#	6186.2 ± 467.9^*#	523.6 ± 56.8^*#	52.5 ± 5.4^*#	323.7 ± 57.7^*#
F values		338.280	171.743	13.177	413.790	24.313
P values		0.000	0.000	0.000	0.000	0.000

Values are mean ± SD. S₁: spinal anesthesia with operation time ≤ 30 min; S₂: spinal anesthesia with operation time > 30 min; PF₁: propofol-fentanyl intravenous anesthesia with operation time ≤ 30 min; PF₂: propofol-fentanyl intravenous anesthesia with operation time > 30 min
*p < 0.001 vs. S₁ group, ^#p < 0.05 vs. PF₁ group

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