Analysis of hospitalization costs related to fall injuries in elderly patients

doi:10.12998/wjcc.v9.i6.1271

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Feb 26, 2021 (publication date) through Apr 25, 2024

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Clin Cases. Feb 26, 2021; 9(6): 1271-1283
Published online Feb 26, 2021. doi: 10.12998/wjcc.v9.i6.1271

Table 1 Cost structure of elderly inpatients due to falls (RMB)

Component	Frequency (n)	Estimated cost (RMB)	Percentage of total cost (%)
Medical material	3158	75206147.24	41.7
Medicine	3315	29348327.34	16.3
Tests	3354	29158384.41	16.1
Treatment	3123	24439465.13	13.5
Integrated medical services	3362	19654703.83	10.9
Blood transfusion	922	2672175.08	1.5

All costs are expressed in 2019 RMB.

Table 2 Univariate analysis of the hospitalization costs for elderly inpatients due to falls (RMB)

Variable	Frequency (n)	Percentage of total cases (%)	Estimated cost [M (P₂₅, P₇₅)]	R value	P value
Gender				0.037	0.032^a
Male	1218	36.2	41317.97 (14486.61, 66018.59)
Female	2144	63.8	45469.65 (23487.13, 65686.64)
Age (yr)				0.060	0.000^a
60-69	1221	36.3	42378.54 (21803.38, 62729.14)
70-79	1052	31.3	42991.27 (19400.01, 63875.40)
≥ 80	1089	32.4	51642.56 (16687.27, 69590.67)
Operation times				0.533	0.000^a
0 (h)	672	20.0	10026.07 (5212.80, 21657.76)
1-2	2456	73.0	50940.59 (32230.26, 67879.28)
3-5	234	7.0	76253.72 (44619.24, 110755.35)
LOS (d)				0.520	0.000^a
0-14	2410	71.7	36806.75 (11381.93, 53622.53)
15-30	721	21.4	66957.46 (50485.18, 83432.30)
31-90	198	5.9	106569.47 (75836.07, 144853.33)
≥ 91	33	1.0	137591.53 (69378.56, 223584.67)
Payment method				-0.051	0.003^a
Worker medical insurance	2022	60.1	44952.14 (21700.61, 66985.45)
Resident medical insurance	1050	31.4	44962.41 (16506.52, 64478.55)
Commercial medical insurance	1	0.0	1562060.23
Individual medical care	4	0.1	35922.53 (28653.18, 113184.59)
Public medical care	280	8.3	41233.85 (9716.64, 63933.44)
Other	5	0.1	56320.25 (35953.57, 157804.79)
Wound position				0.267	0.000^a
None	2	0.0	11198.42 (5451.68, 0.00)
Trunk	135	4.0	26295.28 (8463.58, 65953.88)
Upper limbs	394	11.7	39361.70 (8891.22, 54170.21)
Head and neck	434	12.9	20706.67 (9742.51, 42939.47)
Prosthesis	7	0.2	43500.02 (11673.20, 115267.90)
Organ	42	1.3	28087.94 (12783.60, 67501.29)
Spinal cord	736	21.9	41242.70 (26249.93, 52136.72)
Lower limbs	1612	48.0	29935.61 (57052.51, 72001.03)
Wound type				0.264	0.000^a
Dislocation	39	1.2	10786.93 (6307.10, 39300.03)
Contusion	216	6.4	13295.61 (7904.67, 25306.53)
Soft tissue injury	63	1.9	21142.78 (8768.91, 40579.88)
Joint injury	143	4.2	18130.31 (10022.10, 53393.29)
Visceral rupture	40	1.2	36412.73 (12834.19, 57043.39)
Fracture	2831	84.2	48665.48 (26412.69, 68.344)
Other	30	0.9	12262.80 (5962.26, 46411.80)
Operation type				0.642	0.000^a
None	673	20.0	5223.96 (10030.03, 21687.66)
Fixation	271	8.0	5603.54 (9215.08, 16469.74)
Debridement and suturing	194	5.8	16671.87 (52139.40, 90254.74)
Surgical exploration	117	3.5	19388.44 (29844.72, 52741.55)
Open reduction	1296	38.5	37836.56 (46549.68, 62950.43)
Replacement	682	20.3	57135.64 (67049.09, 79342.16)
Decompression	56	1.7	63967.42 (85712.16, 108458.43)
Other	73	2.2	11879.72 (36707.28, 93072.05)

All costs are expressed in 2019 RMB.

^aP < 0.05.

Table 3 Quantile regression analysis of hospitalization costs

Variable	Hospitalization costs
Variable	Q10	Q50	Q90
Operations times	0.038	0.067^b	0.133^b
LOS	0.162^b	0.174^b	0.228^b
Age	0.038^b	0.018^b	0.003
Gender (Contrast = Male)
Female	0.01	0.018	0.026^a
Payment methods (Contrast = Worker medical insurance)
Resident medical insurance	0.005	0.007	-0.008
Commercial medical insurance	-0.35	-0.751^b	-1.185^b
Individual medical care	0.176	0.034	-0.017
Public medical care	-0.184^b	-0.019	0.006
Other	-0.057	0.054	-0.107
Wound position (Contrast = None)
Trunk	-0.277	0.063	0.646^b
Upper limbs	-0.393	-0.066	0.502^a
Head and neck	-0.117	0.317	0.763^b
Prosthesis	-0.227	0.049	0.500
Organ	-0.314	0.2	0.760^b
Spinal cord	-0.342	-0.037	0.497^a
Lower limbs	-0.305	0.022	0.584^a
Wound type (Contrast = Dislocation)
Contusion	0.890^b	-0.153^a	-0.187^a
Soft tissue injury	0.942^b	-0.052	-0.08
Joint injury	0.757^b	-0.06	-0.112
Visceral rupture	0.851^b	0.015	0.047
Fracture	0.900^b	0.068	-0.006
Other	0.735^b	-0.162^a	-0.025
Operation type (Contrast = None)
Fixation	-0.024	-0.071^a	-0.209^b
Debridement and suturing	0.523^b	0.704^b	0.480^b
Surgical exploration	0.413^b	0.317^b	0.202^b
Open reduction	0.883^b	0.666^b	0.319^b
Replacement	1.023^b	0.717^b	0.355^b
Decompression	1.100^b	0.837^b	0.608^b
Other	0.276^b	0.452^b	0.286^b
Pseudo R²	0.5467	0.4767	0.3848

^aP < 0.05.

^bP < 0.01. LOS: Length of stay.

Citation: Su FY, Fu ML, Zhao QH, Huang HH, Luo D, Xiao MZ. Analysis of hospitalization costs related to fall injuries in elderly patients. World J Clin Cases 2021; 9(6): 1271-1283
URL: https://www.wjgnet.com/2307-8960/full/v9/i6/1271.htm
DOI: https://dx.doi.org/10.12998/wjcc.v9.i6.1271