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Table 2 Results of delayed-type hypersensitivity reaction on tuberculin antigen

From: Use of tuberculin skin test for assessment of immune recovery among previously malnourished children in Ethiopia

Skin test categories Baseline Follow-up (6 months) p value
n (%) n (%)
Proportion of anergic
 Post-SAM (n = 93/86) 83 (89.2) 79 (92.0) 0.551
 Community control (n = 94/89) 90 (95.7) 84 (94.4) 0.742
 p value 0.091 0.604  
Proportion with any induration
 Post-SAM (n = 93/86) 10 (10.8) 7 (8.0) 0.551
 Community control (n = 94/89) 4 (4.3) 5 (5.6) 0.742
 p value 0.091 0.604  
Positive test (induration ≥ 10 mm)
 Post-SAM (n = 93/86) 3 (3.2) 6 (7.0) 0.316
 Community control (n = 94/89) 2 (2.1) 3 (3.4) 0.676
 p value 0.682 0.324  
Skin test categories Baseline Follow-up (6 months) p value
Mean ± SD Mean ± SD
Average diameter of induration
 Post-SAM (n = 10/7) 10.2 ± 9.8 14.9 ± 4.4 0.256
 Community control (n = 4/5) 7.7 ± 6.4 11.2 ± 3.5 0.327
 p value 0.648 0.150  
Average induration for positive test
 Post-SAM (n = 3/6) 21.7 ± 1.0 15.9 ± 3.9 0.044
 Community control (n = 2/3) 13.0 ± 3.5 13. 7 ± 1.0 0.748
 p value 0.398 0.376  
  1. Proportions are compared using Pearson Chi square or Fisher exact test as appropriate, means are compared using unpaired Student t test. SAM severe acute malnutrition, delayed-type hypersensitivity skin reaction considered positive if induration diameter ≥ 10 mm