Comparison of simplified and traditional pericardial devascularisation combined with splenectomy for the treatment of portal hypertension

Table 2 Comparison of perioperative indicators

Parameters	S Group (n = 357)	T Group (n = 688)	Statistic	P-value
Postoperative hospital stay (d)	10.70 ± 5.35	14.96 ± 5.66	t = -3.64	< 0.05
Operation fee (Yuan)	3638.85 ± 1144.17	4168.06 ± 960.53	t = 3.60	< 0.05
Total hospitalisation cost (Yuan)	29654.60 ± 17475.10	35331.13 ± 18165.41	t = 2.67	0.01
Operative time (min)	125.60 ± 46.08	144.83 ± 54.06	t = 3.96	< 0.05
Intraoperative blood loss (mL)	291.46 ± 208.86	573.42 ± 409.38	t = 4.76	< 0.05
Intraoperative transfusion (mL)	700.82 ± 541.92	986.60 ± 627.75	t = 5.30	< 0.05
Time to first flatus (d)	3.74 ± 1.21	4.61 ± 1.60	t = -7.83	< 0.05
Mortality	0	4
Reoperation	0	1