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Table 2 Delayed-type hypersensitivity test results for HIV controllers compared to non-controllers and HAART suppressors

From: Spontaneous virologic suppression in HIV controllers is independent of delayed-type hypersensitivity test responsiveness

Characteristic

Elite Controllers

Viremic Controllers

HIV Controllers

Non- Controllers

P-value HIV Controllers vs. Non- Controllers

HAART Suppressors

P-value HIV Controllers vs. HAART Suppressors

Number of Participants, n

33

116

149

3822

-

491

-

DTH Test Results, All Participants

     

First DTH Test Resultsa

      

Non-anergic

24 (72.7)

98 (84.5)

122 (81.9)

2965

0.22

366 (74.5)

0.07

    

(77.6)

   

Partial Anergy

5 (15.2)

7 (6.0)

12 (8.1)

475 (12.4)

-

62 (12.6)

-

Complete Anergy

4 (12.1)

11 (9.5)

15 (10.1)

382 (10.0)

-

63 (12.8)

-

Average Percent of DTH Test Events Non-anergicb

78.0 ± 31.3 (n = 33)

82.0 ± 32.2 (n = 116)

81.2 ± 31.9 (n = 149)

70.7 ± 36.8 (n = 3822)

0.0002

-

-

Participants with CD4 200-399 cells/uL at DTH Testing

   

First DTH Test Results

       

Non-anergic

1 (50.0)

6 (75.0)

7 (70.0)

670 (74.2)

0.76

52 (66.7)

0.83

Partial Anergy

1 (50.0)

1 (12.5)

2 (20.0)

138 (15.3)

-

14 (17.9)

-

Complete Anergy

0 (0)

1 (12.5)

1 (10.0)

95 (10.5)

-

12 (15.4)

-

Average Percent of DTH Test Events Non-anergic

65.1 ± 57.7 (n = 3)

85.8 ± 33.4 (n = 27)

83.4 ± 35.6 (n = 30)

71.9 ± 40.9 (n = 2116)

0.15

-

-

Participants with CD4 ≥ 400 cells/uL at DTH Testing

   

First DTH Testing Results

      

Non-anergic

23 (74.2)

91 (85.0)

114 (82.6)

1910 (84.7)

0.52

306 (76.5)

0.14

Partial Anergy

4 (12.9)

6 (5.6)

10 (7.2)

222 (9.8)

-

47 (11.8)

-

Complete Anergy

4 (12.9)

10 (9.3)

14 (10.1)

124 (5.5)

-

47 (11.8)

-

Average Percent of DTH Test Events Non-anergic

78.2 ± 31.5 (n = 32)

82.0 ± 32.8 (n = 109)

81.2 ± 31.5 (n = 141)

80.4 ± 32.7 (n = 2705)

0.76

-

-

  1. NOTE. HIV controllers, combined group of elite and viremic controllers; HAART suppressors, subgroup of non-controllers on suppressive HAART; all values are number, percent or SD
  2. a Non-anergic, ≥ 2 tests positive; partial anergy, 1 test positive; complete anergy, zero positive tests
  3. b Weighted average of each participant's individual average. Weights based on number of measurements per subject and correlation of repeated DTH measurements