Application evidence-based accelerated rehabilitation surgery nursing in the perioperative period of open abdominal gastrointestinal perforation repair: Retrospective analysis

Table 1 Intergroup comparison of baseline demographic and clinical characteristics, n (%)/mean ± SD

Observation items	Observation group (n = 50)	Control group (n = 50)	t/χ2	P value
Demographic data
Age (years)	45.34 ± 12.67	46.21 ± 11.89	0.354	0.724
Gender			0.170	0.680
Male	32 (64.00)	30 (60.00)
Female	18 (36.00)	20 (40.00)
BMI (kg/m2)	21.15 ± 1.42	21.27 ± 1.18	0.460	0.647
Preoperative clinical data
Etiology of perforation			0.229	0.973
Gastroduodenal ulcer perforation	35 (70.00)	33 (66.00)
Colorectal cancer perforation	8 (16.00)	9 (18.00)
Traumatic perforation	4 (8.00)	5 (10.00)
Others	3 (6.00)	3 (6.00)
Time from perforation to surgery (hours)	8.45 ± 2.21	8.56 ± 2.05	0.151	0.881
Preoperative septic shock	7 (14.00)	9 (18.00)	0.298	0.585
Intraoperative conditions
Perforation site			0.105	0.949
Stomach/duodenum	36 (72.00)	35 (70.00)
Jejunum and ileum	5 (10.00)	6 (12.00)
Colon and rectum	9 (18.00)	9 (18.00)
Degree of peritoneal contamination (by SAPS classification)			0.220	0.896
Grade I (mild)	15 (30.00)	13 (26.00)
Grade II (moderate)	25 (50.00)	27 (54.00)
Grade III (severe)	10 (20.00)	10 (20.00)

BMI: Body mass index; SAPS: Simplified Acute Physiology Score.