Risk factor for 31-day unplanned readmission to hospital in patients with pulmonary tuberculosis in China

Jing Cao; Shengpeng Liu; Juhua Huang

doi:10.15537/smj.2021.42.9.20210281

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Figure 1
- Discharge-readmission days distribution chart.

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Table 1

- Unplanned readmission≤31 days risk factors for pulmonary tuberculosis patients.

Variables	No unplanned readmission≤31days (n=804)	Unplanned readmission≤31 days (n=402)	Univariate analysis		Multiple analysis
Variables	No unplanned readmission≤31days (n=804)	Unplanned readmission≤31 days (n=402)	OR (95%CI)	P-value	OR (95%CI)	P-value
Gender
Male	506 (62.9)	280 (69.7)	1.35 (1.05~1.75)	0.021	1.44 (1.06~1.95)	0.02
Female	298 (371)	122 (30.35)	1		1
Age group
15-44	300 (37.3)	126 (31.3)	1		1
45-65	361 (44.9)	133 (33.1)	0.88 (0.66~1.17)	0.372	1.08 (0.77~1.51)	0.674
>65	143 (17.8)	143 (35.6)	2.38 (1.74~3.25)	<0.001	2.94 (2.03~4.27)	<0.001
Insurance type
Medical insurance for urban workers	192 (23.9)	88 (21.89)	0.29 (0.14~0.62)	0.001	0.53 (0.22~1.27)	0.155
Medical insurance for urban residents	254 (31.6)	95 (23.6)	0.24 (0.11~0.51)	0.002	0.42 (0.18~1.01)	0.051
New rural cooperative medical	319 (39.7)	180 (44.8)	0.36 (0.17~0.75)	<0.001	0.53 (0.23~1.25)	0.145
Other commercial insurance	27 (3.4)	20 (5.0)	0.47 (0.19~1.18)	0.007	0.68 (0.24~1.99)	0.484
Self-paying	12 (1.5)	19 (4.7)	1		1
Marital status
Single	95 (11.8)	40 (10.0)	1.21 (0.82~1.79)	0.333	N/I
Married	709 (88.2)	362 (90.1)	1
Residency
Rural	169 (21.0)	283 (70.4)	8.94 (6.80~11.74)	<0.001	8.86 (6.61~11.87)	<0.001
Urban	635 (79.0)	119 (29.6)	1		1
Active smoking
Yes	57 (7.0)	61 (15.2)	2.34 (1.60~3.44)	<0.001	2.15 (1.37~3.40)	0.001
No	747 (92.9)	341 (84.8)	1		1
Patient tuberculosis type
Smear negative	179 (22.3)	102 (25.4)	0.84 (0.64~1.11)	0.229	N/I
Smear positive	625 (77.7)	300 (74.6)	1
Diabetes
Yes	48 (6.0)	35 (8.7)	1.52 (0.96~2.36)	0.078	N/I
No	756 (94.0)	367 (91.3)	1
Alcohol abuse
Yes	46 (5.7)	30 (7.5)	1.33 (0.83~2.14)	0.242	N/I
No	758 (94.3)	372 (92.5)	1
COPD
Yes	27 (3.4)	47 (11.7)	3.81 (2.34~6.22)	<0.001	2.77 (1.59~4.81)	<0.001
No	777 (96.6)	355 (88.3)	1		1
Drug-induced hepatitis
Yes	41(5.1)	33 (8.2)	1.66 (1.04~2.68)	0.036	1.22 (0.69~2.17)	0.492
No	763 (94.9)	369 (91.8)	1		1
Hypertension
Yes	48 (6.0)	32 (8.0)	1.36 (0.86~2.17)	0.191	N/I
No	756 (94.03)	370 (92.0)	1
Departure from the hospital way
leaving hospital against medical advice	8 (36.4)	14 (63.6)	3.59 (1.49~8.63)	0.004	4.11(1.43~11.83)	0.009
leaving hospital with medical advice	796 (67.2)	388 (32.8)	1		1
Disease type
Retreatment	154 (19.1)	62 (15.4)	1.29 (0.93~1.78)	0.124	N/I
New case	650 (80.9)	340 (84.6)	1