Cost analysis of radical resection of malignant breast tumors under the China Healthcare Security Diagnosis Related Groups payment system

Table 1 Comparison between the diagnosis-related group payment and non-payment groups

Variable	Overall	DRG payment group	DRG non-payment group	P value
Age (year)	52.85 ± 11.60	53.50 ± 12.54	52.63 ± 11.26	0.0484
Length of hospital stay	4.86 ± 2.10	4.77 ± 2.05	4.89 ± 2.12	0.1032
Hospitalization expense ratio	0.97 ± 0.18	0.97 ± 0.19	0.98 ± 0.18	0.1574
Medical expense ratio	0.73 ± 0.14	0.72 ± 0.12	0.73 ± 0.14	0.0044
Nursing expense ratio	0.64 ± 0.22	0.63 ± 0.20	0.65 ± 0.23	0.0419
Medical technology expense ratio	0.59 ± 0.22	0.60 ± 0.22	0.59 ± 0.22	0.2879
Management expense ratio	0.74 ± 0.55	0.70 ± 0.24	0.75 ± 0.62	0.0001
Medicine expense ratio	1.57 ± 0.47	1.56 ± 0.52	1.57 ± 0.45	0.8147
Medical consumables expense ratio	1.28 ± 0.36	1.27 ± 0.36	1.29 ± 0.35	0.137

DRG: Diagnosis-related group.