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Table 6 Characteristics of those with and without cavitation used in the analysis comparing other baseline factors and radiological severity on CXR at diagnosis

From: Pretreatment chest x-ray severity and its relation to bacterial burden in smear positive pulmonary tuberculosis

  WITH CAVITY (n = 1049)    WITHOUT CAVITY (n = 305)    p value
Baseline characteristic n Median IQR (1st, 3rd quartile) n Median IQR  
Age (years)   31.4 23.7, 41.0   32.1 25.2, 44.2 0.03
Sex        0.95
 Male 742 (70.7%)     217 (71.1%)   
 Female 307 (29.3%) 88 (28.9%)
Ethnicity
 African 742 (70.7%)     182 (59.7%)   < 0.01
 Asian 307 (29.3%) 123 (40.3%)
Diabetes
 Yes 50 (4.5%)     19 (6.2%)   0.38
 No 1049 (95.5%) 286 (93.8%)  
HIV        0.79
 Yes 81 (7%)     25 (8.2%)   
 No 1081 (93%) 280 (91.8%)
 No. of Grade 3 + symptoms 68     16   0.51
Albumin (g/L)   33.5 9.0,37.8   37 32.0, 40.0 < 0.01
Body mass index (kg/m2)   18.3 16.9,20.1   19.0 17.3, 21.1 < 0.01
Time to positivity (hours)   112 86.0, 144.0   138 100, 188 < 0.01
Average area affected   20 13.75, 30   10 6.25, 16.9 < 0.01