Skip to main content

Table 2 Sputum profiles of the enrolled patients

From: Impact of sputum gross appearance and volume on smear positivity of pulmonary tuberculosis: a prospective cohort study

  All sputa (N = 492) Sputa from males (N = 329) Sputa from females (N = 163) P-value
Sputum order     0.551
 spot 36.1% (178/492) 35.3% (116/329) 38.0% (62/163)  
 morning 63.9% (314/492) 64.7% (213/329) 62.0% (101/163)  
Sputum order     0.961
 1st 34.5% (170/492) 34.3% (113/329) 35.0% (57/163)  
 2nd 34.5% (170/492) 34.3% (113/329) 35.0% (57/163)  
 3rd 31.0% (152/492) 31.4% (103/329) 30.0% (49/163)  
Gross appearance     0.129
 saliva 22.0% (108/492) 19.5% (64/329) 27.0% (44/163)  
 mucoid 42.3% (208/492) 41.6% (137/329) 43.6% (71/163)  
 purulent 33.3% (164/492) 36.2% (119/329) 27.6% (45/163)  
 blood-stained 2.4% (12/492) 2.7% (9/329) 1.8% (3/163)  
Volume     0.001
  <1 ml 22.0% (108/492) 17.6% (58/329) 30.7% (50/163)  
 1 ml ≤ <2 ml 27.6% (136/492) 27.1% (89/329) 28.8% (47/163)  
 2 ml ≤ <3 ml 25.6% (126/492) 27.4% (90/329) 22.1% (36/163)  
 3 ml ≤ <4 ml 14.0% (69/492) 17.0% (56/329) 8.0% (13/163)  
 4 ml ≤ <5 ml 7.3% (36/492) 7.9% (26/329) 6.1% (10/163)  
  ≥ 5 ml 3.5% (17/492) 3.0% (10/329) 4.3% (7/163)  
  1. Note. ─ Numbers in parenthesis indicate the number of sputa.