Table 1

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

VariablesNo unplanned readmission≤31days (n=804)Unplanned readmission≤31 days (n=402)Univariate analysisMultiple analysis
OR (95%CI)P-valueOR (95%CI)P-value
Gender
Male506 (62.9)280 (69.7)1.35 (1.05~1.75)0.0211.44 (1.06~1.95)0.02
Female298 (371)122 (30.35)1 1 
Age group
15-44300 (37.3)126 (31.3)1 1 
45-65361 (44.9)133 (33.1)0.88 (0.66~1.17)0.3721.08 (0.77~1.51)0.674
>65143 (17.8)143 (35.6)2.38 (1.74~3.25)<0.0012.94 (2.03~4.27)<0.001
Insurance type
Medical insurance for urban workers192 (23.9)88 (21.89)0.29 (0.14~0.62)0.0010.53 (0.22~1.27)0.155
Medical insurance for urban residents254 (31.6)95 (23.6)0.24 (0.11~0.51)0.0020.42 (0.18~1.01)0.051
New rural cooperative medical319 (39.7)180 (44.8)0.36 (0.17~0.75)<0.0010.53 (0.23~1.25)0.145
Other commercial insurance27 (3.4)20 (5.0)0.47 (0.19~1.18)0.0070.68 (0.24~1.99)0.484
Self-paying12 (1.5)19 (4.7)1 1 
Marital status
Single95 (11.8)40 (10.0)1.21 (0.82~1.79)0.333N/I 
Married709 (88.2)362 (90.1)1   
Residency      
Rural169 (21.0)283 (70.4)8.94 (6.80~11.74)<0.0018.86 (6.61~11.87)<0.001
Urban635 (79.0)119 (29.6)1 1 
Active smoking
Yes57 (7.0)61 (15.2)2.34 (1.60~3.44)<0.0012.15 (1.37~3.40)0.001
No747 (92.9)341 (84.8)1 1 
Patient tuberculosis type
Smear negative179 (22.3)102 (25.4)0.84 (0.64~1.11)0.229N/I 
Smear positive625 (77.7)300 (74.6)1   
Diabetes
Yes48 (6.0)35 (8.7)1.52 (0.96~2.36)0.078N/I 
No756 (94.0)367 (91.3)1   
Alcohol abuse
Yes46 (5.7)30 (7.5)1.33 (0.83~2.14)0.242N/I 
No758 (94.3)372 (92.5)1   
COPD
Yes27 (3.4)47 (11.7)3.81 (2.34~6.22)<0.0012.77 (1.59~4.81)<0.001
No777 (96.6)355 (88.3)1 1 
Drug-induced hepatitis
Yes41(5.1)33 (8.2)1.66 (1.04~2.68)0.0361.22 (0.69~2.17)0.492
No763 (94.9)369 (91.8)1 1 
Hypertension
Yes48 (6.0)32 (8.0)1.36 (0.86~2.17)0.191N/I 
No756 (94.03)370 (92.0)1   
Departure from the hospital way
leaving hospital against medical advice8 (36.4)14 (63.6)3.59 (1.49~8.63)0.0044.11(1.43~11.83)0.009
leaving hospital with medical advice796 (67.2)388 (32.8)1 1 
Disease type
Retreatment154 (19.1)62 (15.4)1.29 (0.93~1.78)0.124N/I 
New case650 (80.9)340 (84.6)1   
  • Values are presented as numbers and percentages. OR: odds ration, CI: confidence interval, COPD: chronic obstructive pulmonary disease