Summary statistics Culture negatives Culture positives p-value
n   115 89  
Age (years) Median (10th-90th percentile) 35(20-60) 30(19-55) 0.11
OD values 5th percentile 0.14 0.18  
  10th percentile 0.15 0.21  
  25th percentile 0.17 0.24  
  Median 0.23 0.35  <0.001
  75th percentile 0.35 0.88  
  90th percentile 0.71 2.34  
  95th percentile 0.91 3.27  
• both culture and smear negatives n= sample size for ELISA
Table 2: Summary statistics of OD values for rESAT-6-CFP-10 in culture positive and culture negative patients in Ethiopia