Effect of inappropriate admissions on hospitalization performance in county hospitals: a cross-sectional study in rural China

Chang, Jing-jing; Chen, Ying-chun; Gao, Hong-xia; Zhang, Yan; Li, Hao-miao; Su, Dai; Jiang, Di; Lei, Shi-han; Hu, Xiao-mei; Tan, Min; Chen, Zhi-fang

doi:10.1186/s12962-019-0176-5

Cost Effectiveness and Resource Allocation

Table 4 PSM matching effect and results of the disease systems

From: Effect of inappropriate admissions on hospitalization performance in county hospitals: a cross-sectional study in rural China

Sample	Overall balance					Matching results			Bootstrap results
Sample	Pseudo R²	LR chi²	P	Mean bias	Median bias	Difference	S.E.	T-stat	Difference	Z-value	p	95% CI (lower, upper)
Expenditure of hospitalization (EOH)
Circulatory diseases	0.014	10.54	0.649	5.30	3.9	− 0.013	0.11	− 0.12	− 0.013	− 0.13	0.893	− 0.20 to 0.18
Digestive diseases	0.007	8.31	0.873	3.00	2.0	− 0.119	0.10	− 1.19	− 0.119	− 1.28	0.199	− 0.30 to 0.06
Respiratory diseases	0.015	21.35	0.093	4.60	4.7	0.031	0.13	0.24	0.031	0.24	0.812	− 0.23 to 0.29
Surgical diseases	0.003	3.46	0.998	2.70	2.0	− 0.169	0.10	− 1.77	− 0.169	− 2.02	0.043	− 0.33 to 0.01
Others	0.008	6.53	0.951	4.60	4.5	0.174	0.12	1.46	0.174	1.34	0.180	− 0.08 to 0.43
Length of stay (LOS)
Circulatory diseases	0.014	10.54	0.649	5.30	3.9	− 0.198	0.78	− 0.25	− 0.198	− 0.23	0.820	− 1.90 to 1.51
Digestive diseases	0.007	8.31	0.873	3.00	2.0	− 0.607	0.68	− 0.89	− 0.607	− 0.87	0.384	− 1.97 to 0.76
Respiratory diseases	0.015	21.35	0.093	4.600	4.7	− 0.094	0.77	− 0.12	− 0.094	− 0.10	0.919	− 1.91 to 1.72
Surgical diseases	0.003	3.46	0.998	2.70	2.0	− 1.427	0.72	− 1.99	1.427	− 1.86	0.063	− 2.93 to 0.07
Others	0.039	30.24	0.007	7.70	5.5	− 0.592	1.07	− 0.55	− 0.377	− 0.29	0.773	− 2.94 to 2.18
Number of clinical inspection (NCI)
Circulatory diseases	0.014	10.54	0.649	5.30	3.9	− 0.603	0.67	− 0.90	− 0.603	− 0.89	0.375	− 1.94 to 0.73
Digestive diseases	0.007	8.31	0.873	3.00	2.0	0.201	0.52	0.39	0.201	0.45	0.652	− 0.67 to 1.08
Respiratory diseases	0.015	21.35	0.093	4.600	4.7	− 0.089	0.63	− 0.14	− 0.089	− 0.17	0.868	− 1.14 to 0.89
Surgical diseases	0.003	3.46	0.998	2.70	2.0	0.129	0.45	0.29	0.129	0.33	0.741	− 0.64 to 0.90
Others	0.039	30.24	0.007	7.70	5.5	0.663	0.59	1.13	0.688	1.04	0.300	− 0.61 to 1.99

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ISSN: 1478-7547

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