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Table 1 Clinical and microbiologic characteristics of tuberculosis patients with or without HTLV-1 infection

From: Influence of HTLV-1 on the clinical, microbiologic and immunologic presentation of tuberculosis

Characteristic TB with HTLV-1 TB without HTLV-1 p-value
(n = 13) (n = 25)
n (%) n (%)
Symptoms
Fever 11 (84.6) 21 (84.0) 0.67
Asthenia 13 (100) 25 (100) -
Anorexia 11 (84.6) 21 (84.0) 0.35
Weight loss 11 (100) 22 (95.7) -
Prior hospitalization for TB 6 (46.2) 7 (28.0) 0.26
Prior treatment for TB 7 (53.8) 12 (48.0) 0.21
History of treatment abandonment 6 (46.2) 7 (28.0) 0.45
Clinical examinations
Helminth infections 2 (15.4) 3 (12) 0.63
PPD positive 10 (76.9) 14 (63.6) 0.71
Mean PPD (mm) among PPD positive tests, ± SD 12.9 ± 4.0 10.5 ± 4.8 0.23
Sputum bacillary load
0 2 (15.4)* 0 (0)  
1+ 5 (38.4) 11 (44.0)  
2+ 2 (15.4) 3 (12.0)  
3+ 4 (30.8) 11 (44.0)  
  1. TB = tuberculosis; HTLV-1 = human lymphotropic virus type 1; SD = standard deviation.
  2. The two patients had already been treated for tuberculosis for one month previous to the admission. Before therapy the smear microscopy result was positive.