Surgical treatment of liver cancer and pancreatic cancer under the China Healthcare Security Diagnosis Related Groups payment system

Table 1 Comparison of total hospitalization costs and length of stay for different surgical procedures in the same diagnosis-related group

DRG	Surgery classification	Total hospitalization expenses			The number of days in hospital
		Median (quartiles)	χ2	P value	Median (upper and lower quartiles)	χ2	P value
HB11			158.75	< 0.0001		125.9	< 0.0001
	Liver resection	74463.5 (60025.5, 94356)3			9 (7, 12)2
	Pancreaticoduodenectomy	142663 (133720, 179562.25)1			20 (14.25, 24.75)1
	Pancreatectomy	102252.5 (95235, 119203.25)2			13.5 (11, 18.75)1
HB13			234.83	< 0.0001		131.83	< 0.0001
	Liver resection	63929 (51004.75, 78147)3			7 (7, 10.25)3
	Pancreaticoduodenectomy	136335 (120212, 165313.5)1			16 (12.5, 22)1
	Pancreatectomy	92788.5 (79258.5, 105594.25)2			10.5 (8, 14.25)2
HB15			44.60	< 0.0001		15.06	0.0005
	Liver resection	67274.5 (54285.25, 81836.25)2			9.5 (7, 13)2
	Pancreaticoduodenectomy	134561 (114775, 150848)1			19 (11, 22)1
	Pancreatectomy	82528 (76816, 95098)1			11 (8, 13.5)2

1, 2, and 3 are pairwise comparison result indicators; 1 > 2 > 3. If the letters are the same, the difference between the groups is statistically significant; if the letters are different, the difference between the groups is not statistically significant.

DRG: Diagnosis-related group.

Table 2 Proportion of various expenses under same diagnosis-related group group and same surgery, %

DRG	Surgery classification	Average medical expense ratio	Average proportion of nursing expenses	Average proportion of medical technology expenses	Average management fee ratio	Average proportion of consumables expenses	Average proportion of drug expenses
HB11
	Liver resection	12.39	1.09	3.05	3.05	38.59	37.45
	Pancreaticoduodenectomy	10.69	1.57	2.85	2.85	34.80	43.05
	Pancreatectomy	11.38	1.40	3.01	3.01	36.45	42.32
HB13
	Liver resection	14.13	1.07	2.88	2.88	43.04	31.87
	Pancreaticoduodenectomy	10.95	1.49	2.65	2.65	38.23	40.81
	Pancreatectomy	12.66	1.25	2.69	2.69	40.03	38.44
HB15
	Liver resection	13.55	1.15	3.00	3.00	43.13	31.94
	Pancreaticoduodenectomy	11.10	1.52	3.83	3.83	35.91	41.90
	Pancreatectomy	13.04	1.34	2.73	2.73	40.33	37.35

DRG: Diagnosis-related group.