Retrospective Study
Copyright ©The Author(s) 2021.
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 material315875206147.2441.7
Medicine331529348327.3416.3
Tests335429158384.4116.1
Treatment312324439465.1313.5
Integrated medical services336219654703.8310.9
Blood transfusion9222672175.081.5
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
Gender0.0370.032a
Male121836.241317.97 (14486.61, 66018.59)
Female214463.845469.65 (23487.13, 65686.64)
Age (yr)0.0600.000a
60-69122136.342378.54 (21803.38, 62729.14)
70-79105231.342991.27 (19400.01, 63875.40)
≥ 80108932.451642.56 (16687.27, 69590.67)
Operation times0.5330.000a
0 (h)67220.010026.07 (5212.80, 21657.76)
1-2245673.050940.59 (32230.26, 67879.28)
3-52347.076253.72 (44619.24, 110755.35)
LOS (d)0.5200.000a
0-14241071.736806.75 (11381.93, 53622.53)
15-3072121.466957.46 (50485.18, 83432.30)
31-901985.9106569.47 (75836.07, 144853.33)
≥ 91331.0137591.53 (69378.56, 223584.67)
Payment method-0.0510.003a
Worker medical insurance202260.144952.14 (21700.61, 66985.45)
Resident medical insurance105031.444962.41 (16506.52, 64478.55)
Commercial medical insurance10.01562060.23
Individual medical care40.135922.53 (28653.18, 113184.59)
Public medical care2808.341233.85 (9716.64, 63933.44)
Other50.156320.25 (35953.57, 157804.79)
Wound position0.2670.000a
None20.011198.42 (5451.68, 0.00)
Trunk1354.026295.28 (8463.58, 65953.88)
Upper limbs39411.739361.70 (8891.22, 54170.21)
Head and neck43412.920706.67 (9742.51, 42939.47)
Prosthesis70.243500.02 (11673.20, 115267.90)
Organ421.328087.94 (12783.60, 67501.29)
Spinal cord73621.941242.70 (26249.93, 52136.72)
Lower limbs161248.029935.61 (57052.51, 72001.03)
Wound type0.2640.000a
Dislocation391.210786.93 (6307.10, 39300.03)
Contusion2166.413295.61 (7904.67, 25306.53)
Soft tissue injury631.921142.78 (8768.91, 40579.88)
Joint injury1434.218130.31 (10022.10, 53393.29)
Visceral rupture401.236412.73 (12834.19, 57043.39)
Fracture283184.248665.48 (26412.69, 68.344)
Other300.912262.80 (5962.26, 46411.80)
Operation type0.6420.000a
None67320.05223.96 (10030.03, 21687.66)
Fixation2718.05603.54 (9215.08, 16469.74)
Debridement and suturing1945.816671.87 (52139.40, 90254.74)
Surgical exploration1173.519388.44 (29844.72, 52741.55)
Open reduction129638.537836.56 (46549.68, 62950.43)
Replacement68220.357135.64 (67049.09, 79342.16)
Decompression561.763967.42 (85712.16, 108458.43)
Other732.211879.72 (36707.28, 93072.05)
Table 3 Quantile regression analysis of hospitalization costs
Variable
Hospitalization costs
Q10
Q50
Q90
Operations times0.0380.067b0.133b
LOS0.162b0.174b0.228b
Age0.038b0.018b0.003
Gender (Contrast = Male)
Female0.010.0180.026a
Payment methods (Contrast = Worker medical insurance)
Resident medical insurance0.0050.007-0.008
Commercial medical insurance-0.35-0.751b-1.185b
Individual medical care0.1760.034-0.017
Public medical care-0.184b-0.0190.006
Other-0.0570.054-0.107
Wound position (Contrast = None)
Trunk-0.2770.0630.646b
Upper limbs-0.393-0.0660.502a
Head and neck-0.1170.3170.763b
Prosthesis-0.2270.0490.500
Organ-0.3140.20.760b
Spinal cord-0.342-0.0370.497a
Lower limbs-0.3050.0220.584a
Wound type (Contrast = Dislocation)
Contusion0.890b-0.153a-0.187a
Soft tissue injury0.942b-0.052-0.08
Joint injury0.757b-0.06-0.112
Visceral rupture0.851b0.0150.047
Fracture0.900b0.068-0.006
Other0.735b-0.162a-0.025
Operation type (Contrast = None)
Fixation-0.024-0.071a-0.209b
Debridement and suturing0.523b0.704b0.480b
Surgical exploration0.413b0.317b0.202b
Open reduction0.883b0.666b0.319b
Replacement1.023b0.717b0.355b
Decompression1.100b0.837b0.608b
Other0.276b0.452b0.286b
Pseudo R20.54670.47670.3848