Trends and Factors Affecting Hospitalization Costs in Patients with Inflammatory Bowel Disease: A Two-Center Study over the Past Decade

Table 1

Factors associated with hospitalization cost alterations.

Characteristics of hospitalization	𝑁	Percentage	OR (95% CI )	𝑃 value
Age	1654	100%	1.01 (1.00–1.02)	0.009
LOS*	1654	100%	1.29 (1.26–1.31)	<0.001
Gender
Male	1027	62.09%	1.23 (0.99–1.54)	0.063
Female	627	37.91%	1.00
Insurance status
Without medical insurance	778	47.04%	1.31 (1.05–1.64)	0.017
Medical insurance	876	52.96%	1.00
Disease subtypes
CD	841	50.85%	3.55 (2.79–4.52)	<0.001
UC	767	46.37%	1.00
IBDU	46	2.78%	4.30 (2.32–7.97)	<0.001
Prognosis
Dead or not improved	21	1.27%	6.78 (2.72–16.90)	<0.001
Cured or improved	1633	98.73%	1.00
Urgency on admission
Critical or urgent	591	35.73%	1.18 (0.94–1.47)	0.151
Normal	1063	64.27%	1.00
Surgical intervention
Yes	72	4.35%	3.16 (1.71–5.82)	<0.001
No	1582	95.65%	1.00
Biological agent (infliximab)
Yes	264	15.96%	44380.09 (15936.73–123588.19)	<0.001
No	1390	84.04%	1.00
Endoscopy**
Yes	253	44.46%	2.44 (1.50–3.96)	<0.001
No	316	55.54%	1.00

∗Length of stay.
**Data from Apr, 2010 to Mar, 2012 in Renji hospital.
Bold values were with significance (𝑃<0.05).