Equity and Prediction of Bed Allocation of the Department of Stomatology in Chinese Hospitals

Figures & data

Table 1 Basic Information of Beds of the Department of Stomatology in Chinese Hospitals

Year	The Number of Beds					The Number of Beds Per 1000 Populations
	Northeast Region	Eastern Region	Central Region	Western Region	Chinese Hospitals	Northeast Region	Eastern Region	Central Region	Western Region	Chinese Hospitals
2017	3143	12,946	8890	7298	32,277	0.028 9	0.024 3	0.024 1	0.019 4	0.023 2
2018	3247	13,729	9198	7737	33,911	0.030 0	0.025 5	0.024 8	0.020 4	0.024 3
2019	3176	14,764	9801	7737	35,478	0.029 4	0.027 5	0.026 3	0.020 4	0.025 4
2020	3184	15,616	10,405	7774	36,979	0.032 3	0.027 7	0.028 5	0.020 3	0.026 2
2021	3149	16,749	10,513	8193	38,604	0.032 4	0.033 0	0.028 8	0.021 4	0.028 6

Table 2 Gini Coefficient of Beds of the Department of Stomatology in Chinese Hospitals

Year	By Population	By Geography	By Economy
2017	0.182	0.673	0.243
2018	0.175	0.673	0.236
2019	0.176	0.683	0.240
2020	0.197	0.689	0.250
2021	0.243	0.692	0.244

Figure 1 Lorentz curves of beds of the department of stomatology in Chinese hospitals in 2017 (A) and 2021 (B).

Table 3 Theil Index of Beds of the Department of Stomatology in Chinese Hospitals

Year	By Population			By Geography			By Economy
	Theil Index	Within Region	Between Region	Theil Index	Within Region	Between Region	Theil Index	Within Region	Between Region
2017	0.024	0.008	0.016	0.540	0.439	0.101	0.044	0.038	0.006
2018	0.022	0.007	0.015	0.532	0.433	0.099	0.042	0.036	0.006
2019	0.023	0.007	0.016	0.555	0.449	0.106	0.042	0.033	0.009
2020	0.028	0.009	0.019	0.554	0.448	0.106	0.047	0.034	0.013
2021	0.056	0.018	0.038	0.564	0.453	0.111	0.043	0.031	0.012

Figure 2 Theil index Contribution rate of beds of the department of stomatology in Chinese hospitals.

Table 4 Agglomeration Degree of Beds of the Department of Stomatology in Chinese Hospitals

Year	Region	HRAD	PAD	EAD	HRAD/PAD	HRAD/EAD
2017	Northeast region	1.169	0.940	0.769	1.243	1.520
	Eastern region	4.085	3.915	5.384	1.043	0.759
	Central region	2.550	2.460	1.929	1.036	1.322
	Western region	0.318	0.382	0.280	0.833	1.136
2018	Northeast region	1.150	0.932	0.745	1.234	1.543
	Eastern region	4.123	3.920	5.356	1.052	0.770
	Central region	2.511	2.460	1.950	1.021	1.288
	Western region	0.321	0.383	0.284	0.839	1.132
2019	Northeast region	1.075	0.927	0.646	1.159	1.664
	Eastern region	4.238	3.917	5.243	1.082	0.808
	Central region	2.557	2.467	2.167	1.037	1.180
	Western region	0.307	0.382	0.278	0.803	1.106
2020	Northeast region	1.034	0.839	0.606	1.232	1.705
	Eastern region	4.301	4.073	5.289	1.056	0.813
	Central region	2.605	2.395	2.032	1.088	1.282
	Western region	0.296	0.382	0.297	0.774	0.998
2021	Northeast region	0.979	0.864	0.588	1.133	1.666
	Eastern region	4.419	3.821	5.301	1.156	0.834
	Central region	2.521	2.496	2.035	1.010	1.239
	Western region	0.299	0.399	0.297	0.749	1.007

Table 5 Prediction Model and Test Results of Beds of the Department of Stomatology in Chinese Hospitals

Region	Parameter Value	Prediction Model	P	C	Accuracy Level
Chinese hospitals	a=−0.043, u=31,823.406	772 356.209e°^043k-31,823.406	1.000	0.000	Level 1 (good)
Northeast region	a=0.009, u=3274.901	−360 734.889e^−0.009k-3274.901	0.800	0.155	Level 2 (qualified)
Eastern region	a=−0.065, u=12,468.095	204 762.846e°^065k-12,468.095	1.000	0.001	Level 1 (good)
Central region	a=−0.045, u=8703.410	202 299.111e°^045k-8703.410	1.000	0.041	Level 1 (good)
Western region	a=−0.018, u=7447.575	421 052.167e°^018k-7447.575	1.000	0.122	Level 1 (good)

Table 6 Prediction Results of Beds of the Department of Stomatology in Chinese Hospitals, 2022–2026

Year	Chinese Hospitals		Northeast Region		Eastern Region		Central Region		Western Region
	Predictive Value	Relative Error (%)	Predictive Value	Relative Error (%)	Predictive Value	Relative Error (%)	Predictive Value	Relative Error (%)	Predictive Value	Relative Error (%)
2017	32,277.000	0.000	3143.000	0.000	12,946.000	0.000	8890.000	0.000	7298.000	0.000
2018	33,934.989	0.071	3232.102	0.459	13,755.322	0.192	9312.977	1.250	7648.297	1.146
2019	35,425.514	0.148	3203.181	0.856	14,681.752	0.557	9742.752	0.594	7787.726	0.656
2020	36,981.506	0.007	3174.518	0.298	15,670.578	0.349	10,192.359	2.044	7929.696	2.003
2021	38,605.843	0.005	3146.112	0.092	16,726.001	0.137	10,662.716	1.424	8074.254	1.449
2022	40,301.525	—	3117.959	—	17,852.508	—	11,154.778	—	8221.448	—
2023	42,071.686	—	3090.059	—	19,054.886	—	11,669.548	—	8371.325	—
2024	43,919.598	—	3062.409	—	20,338.245	—	12,208.073	—	8523.934	—
2025	45,848.676	—	3035.005	—	21,708.039	—	12,771.451	—	8679.326	—
2026	47,862.485	—	3007.847	—	23,170.089	—	13,360.827	—	8837.550	—

Data Sharing Statement

The data for this study are available at China Health Statistics Yearbook (http://www.nhc.gov.cn). The specific situation has been explained in the text.