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Table 4 Factors predicting complications of CSOM

From: Predictors of disease complications and treatment outcome among patients with chronic suppurative otitis media attending a tertiary hospital, Mwanza Tanzania

Variable Univariate Multivariate
  Complication n (%) OR (95 % CI) P value OR (95 % CI) P value
Age 35 ± 17.82 1.006 (0.99–1.011) 0.318 1.006 (0.997–1.02) 0.443
Sex      
 Female (165) 66 (40) 1    
 Male (136) 48 (35.3) 0.81 (0.511–1.3) 0.402 0.88 (0.49–1.55) 0.679
Occupation      
 No (199) 31 (15.6) 1    
 Yes (102) 15 (14.7) 0.93 (0.47–1.8) 0.842 0.8 (0.37–1.7) 0.568
Ill duration 18 IQR (9–27) 1.029 (1.008–1.05) 0.005 1.03 (1.007–1.05) 0.010
Isolates      
 NBG (175) 67 (38.29) 1    
 GPB (35) 21 (60) 2.41 (1.15–5.07) 0.02   
 GNB (91) 45 (49.45) 1.57 (0.94–2.63) 0.081   
MDR      
 No (229) 81 (35.6) 1    
 Yes (72) 33 (45.8) 1.54 (0.90–2.6) 0.112 1.86 (1.044–3.3) 0.035
HIV      
 No (288) 105 (36.4) 1    
 Yes (13) 9 (69.2) 3.92 (1.17–13.) 0.026 4.3 (1.17–15.6) 0.028
Smoking      
 No (260) 100 (38.5) 1    
 Yes (41) 14 (34.2) 0.83 (0.415–1.6) 0.597 0.80 (0.339–1.88) 0.611
Smell      
 No (267) 98 (36.7) 1    
 Yes (34) 16 (47.1) 1.53 (0.747–3.4) 0.244 1.62 (0.73–3.56) 0.234
Otalgia      
 No (167) 52 (31.1) 1    
 Yes (134) 62 (46.30 1.98 (1.2–3.05) 0.007 1.9 (1.14–3.18) 0.013
Itching      
 No (227) 90 (39.6) 1    
 Yes (74) 24 (32.4) 0.7 (0.412–1.27) 0.267 0.66 (0.359–1.24) 0.205
Ear      
 Left (122) 41 (33.6) 1    
 Both (18) 13 (72.2) 5.13 (1.7–15.4) 0.003   
 Right (161) 60 (37.2) 1.17 (0.72–1.92) 0.525 1.07 (0.82–1.40) 0.573
  1. NBG is no bacterial growth, GNB is gram negative bacteria, GPB is gram positive bacteria and MDR is multi drug resistance bacteria
  2. Isolates were not analysed on multivariate logistic regression analysis because it has collinearity with other factor like MDR
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