Table 4. Multivariable logistic regression analysis of factors associated unsuccessful treatment outcomes among elderly TB patients, Nigeria, 2011–2012.

Variables	N = 212 n (%)	Unsuccessful outcomes n (%)	Crude OR (95% CI)	Adjusted OR (95% CI)	Adjusted p-value
Total	212	66 (31.1)
Older Age (years)	212	66 (31.1)	1.0 (0.99–1.1)	1.0 (0.99–1.1)	0.21
Gender
Female	76	23 (30.3)	1	1
Male	136	43 (31.6)	1.1 (0.6–2.0)	1.2 (0.6–2.3)	0.64
Residence
Rural	168	54 (32.1)	1.3 (0.6–2.6)	1.6 (0.7–3.8)	0.26
Urban	44	12 (27.3)	1	1
Facility
Private	179	50 (27.9)	1	1
Public	33	16 (48.5)	2.4 (1.2–5.2)	1.6 (0.6–4.2)	0.32
Type of TB
Pulmonary	204	59 (28.9)	1	1
Extrapulmonary	8	7 (87.5)	17 (2.0–142)	10.9 (1.1–108)	0.04
Treatment category
New	199	60 (30.2)	1	1
Retreatment	13	6 (46.2)	2.0 (0.6–6.2)	2.1 (0.7–6.8)	0.21
Regimen
Regimen 2	90	32 (35.6)	1.4 (0.80–2.6)	1.4 (0.7–1.8)	0.34
Regimen 1	122	34 (27.9)	1	1
HIV status
Negative	197	57 (28.9)	1	1
Positive	15	9 (60)	3.7 (1.3–10.8)	3.6 (1.1–11.7)	0.03

Regimen 1 = 8-month regimen; Regimen 2 = 6-month regimen; TB = tuberculosis; HIV = human immunodeficiency virus.