Comparison between the Interferon γ Release Assay—QuantiFERON Gold Plus (QFT-Plus)—and Tuberculin Skin Test (TST) in the Detection of Tuberculosis Infection in Immunocompromised Children
Table 3
Laboratory findings based on the TST and QFT-Plus results.
Laboratory findings
TST (median value and range)
Positive
Negative
value
Haemoglobin (g/dL)
10.6 (9.1-12.1)
11.5 (6.2-17.2)
0.385
Haematocrit (%)
30.5 (27.2-35.0)
33.9 (17.0-52.0)
0.353
Erythrocytes (millions/m3)
4.1 (3.4-4.4)
4.1 (0.13-21.74)
0.768
Leukocytes (/m3)
4940 (3880-16040)
9690 (1070-354120)
0.601
Thrombocytes (thousand/m3)
411 (283-670)
320 (3-580)
0.178
Lymphocytes (%)
18 (13-47)
17.5 (1-70)
0.606
Albumin (g/dL)
3.5 (3.1-3.9)
3.3 (0.8-38)
0.513
QFT-Plus (median value and range)
Positive
Negative
value
Haemoglobin (g/dL)
11.2 (9.1-16.3)
11.55 (6.2-17.2)
0.952
Haematocrit (%)
32.0 (26-45)
34 (17-52)
0.634
Erythrocytes (millions/m3)
4.0 (3.3-5.1)
4.1 (0.13-21.74)
0.567
Leukocytes (/m3)
7370 (3770-19800)
9690 (1070-354120)
0.393
Thrombocytes (thousand/m3)
372 (199-524)
320 (3-670)
0.279
Lymphocytes (%)
15.5 (5-47)
18.5 (1-70)
0.294
Albumin (g/dL)
3.1 (1.79-3.9)
3.3 (0.8-38)
0.648
Based on the Mann-Whitney test. TST: tuberculin skin test; QFT-Plus: QuantiFERON Gold Plus.
