Comparison of safety, efficacy, and long-term follow-up between “one-step” and “step-up” approaches for infected pancreatic necrosis

Table 7 The comparison of perioperative medical costs between two surgical approaches

Groups	“One-step” approach (n = 61)	“Step-up” approach (n = 97)	P value
Medical costs
Surgical costs1 (RMB)	18582.37 ± 5918.45	29641.63 ± 6795.11	< 0.001
ICU costs (RMB)	276812.39 ± 183417.12	281133.73 ± 193252.47	0.87
Perioperative medical total costs (RMB)2	529958.23 ± 171128.74	569768.07 ± 193184.68	0.34
Follow-up costs per year
Outpatient costs (RMB)	2040.79 ± 519.48	2169.08 ± 463.71	0.71
Auxiliary examination costs3 (RMB)	9751.96 ± 1012.37	9003.65 ± 1102.29	0.58
Drug costs4 (RMB)	2855.36 ± 318.12	2994.21 ± 372.95	0.82

¹Surgical costs include percutaneous drainage, necrosectomy, or disease-related drainage tube replacement.

²Perioperative medical total costs include surgical costs, intensive care unit costs, general ward costs, and auxiliary examination costs.

³Auxiliary examination costs include laboratory examination, microbiological examination, radiological examination, and endoscopic examination (except drainage).

⁴Drug costs include oral medicine or insulin for treating.

ICU: Intensive care unit.