Table 1 Baseline CBC results for subsequent IGRA converters and IGRA-negative participants
g | IGRA-Negative (n = 98) | All Converters (n = 47) | Early Converters (n = 18) | Late Converters (n = 29) | Transient Converters (n = 25) | Persistent Converters (n = 22) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Laboratory Component | Mean (S.D.) | Mean (S.D.) | p-val | Mean (S.D.) | p-val | Mean (S.D.) | p-val | Mean (S.D.) | p-val | Mean (S.D.) | p-val |
White blood cells (WBCs) | |||||||||||
 WBC count (×  103/mcL) | 6.14 (1.36) | 5.81 (1.36) | 0.20 | 5.79 (1.22) | 0.46 | 5.82 (1.47) | 0.24 | 5.79 (1.43) | 0.36 | 5.83 (1.32) | 0.29 |
 1Neutrophil count (× 103/mcL) | 2.66 (0.96) | 2.26 (0.93) | 0.06 | 2.34 (0.94) | 0.29 | 2.22 (0.94) | 0.08 | 2.37 (1.00) | 0.36 | 2.15 (0.85) | .05 |
 Neutrophil % | 42.5 (8.6) | 38.2 (11.8) | 0.11 | 39.6 (11.2) | 0.41 | 37.4 (12.2) | 0.12 | 39.4 (11.1) | 0.48 | 36.8 (12.6) | 0.07 |
 Lymphocyte count (× 103/mcL) | 2.68 (0.56) | 2.73 (0.74) | 0.91 | 2.66 (0.63) | 0.94 | 2.78 (0.81) | 0.92 | 2.66 (0.61) | 0.96 | 2.82 (0.87) | 0.90 |
 Lymphocyte % | 44.5 (7.6) | 47.8 (10.0) | 0.12 | 46.5 (9.2) | 0.51 | 48.6 (10.5) | 0.11 | 47.2 (9.6) | 0.39 | 48.5 (10.5) | 0.11 |
 Monocyte count (× 103/mcL) | 0.48 (0.151) | 0.459 (0.175) | 0.40 | 0.467 (0.153) | 0.99 | 0.454 (0.189) | 0.26 | 0.425 (0.147) | 0.10 | 0.498 (0.197) | 0.68 |
 Monocyte % | 7.9 (2.0) | 7.9 (2.5) | 0.61 | 8.0 (2.2) | 0.92 | 7.8 (2.7) | 0.44 | 7.3 (1.6) | 0.18 | 8.5 (3.1) | 0.52 |
 Eosinophil count (× 103/mcL) | 0.220 (0.259) | 0.253 (0.229) | 0.26 | 0.230 (0.222) | 0.88 | 0.268 (0.236) | 0.16 | 0.249 (0.197) | 0.17 | 0.258 (0.266) | 0.75 |
 Eosinophil % | 3.5 (3.6) | 4.4 (3.9) | 0.17 | 4.2 (4.4) | 0.80 | 4.5 (3.6) | 0.09 | 4.5 (4.0) | 0.13 | 4.3 (3.8) | 0.58 |
 Basophil count (× 103/mcL) | 0.100 (0.075) | 0.097 (0.068) | 0.98 | 0.093 (0.069) | 0.66 | 0.100 (0.069) | 0.77 | 0.084 (0.036) | 0.90 | 0.112 (0.091) | 0.93 |
 Basophil % | 1.6 (1.1) | 1.7 (1.2) | 0.60 | 1.7 (1.4) | 0.99 | 1.7 (1.2) | 0.46 | 1.5 (0.8) | 0.69 | 1.9 (1.6) | 0.68 |
Red blood cells (RBCs) | |||||||||||
 1,2RBC count (× 106/mcL) | 4.8 (0.4) | 4.6 (0.5) | 0.008 | 4.7 (0.8) | 0.20 | 4.5 (0.4) | 0.008 | 4.7 (0.6) | 0.08 | 4.5 (0.4) | 0.02 |
 1,2Hemoglobin (g/dL) | 12.6 (1.0) | 12.3 (1.6) | 0.01 | 12.5 (2.4) | 0.08 | 12.1 (0.9) | 0.03 | 12.4 (2.0) | 0.09 | 12.1 (1.0) | 0.02 |
 1,2,3,4Hematocrit (%) | 38.8 (3.0) | 37.8 (4.5) | 0.005 | 38.2 (6.5) | 0.03 | 37.5 (2.7) | 0.03 | 38.1 (5.6) | 0.04 | 37.4 (3.0) | 0.02 |
 MCV (fL) | 81.9 (6.2) | 82.2 (5.7) | 0.67 | 81.4 (6.7) | 0.90 | 82.7 (5.1) | 0.50 | 81.4 (5.2) | 0.68 | 83.1 (6.3) | 0.26 |
 MCH (pg) | 26.5 (2.2) | 26.8 (2.1) | 0.50 | 26.7 (2.5) | 0.58 | 26.8 (1.9) | 0.62 | 26.6 (2.1) | 0.96 | 27.0 (2.2) | 0.30 |
 MCHC (g/dL) | 32.4 (0.9) | 32.5 (0.9) | 0.36 | 32.8 (0.8) | 0.12 | 32.4 (1.9) | 0.94 | 32.6 (0.9) | 0.31 | 32.5 (1.0) | 0.71 |
 RDW (%) | 16.1 (1.5) | 16.7 (2.4) | 0.33 | 16.9 (2.9) | 0.38 | 16.6 (2.2) | 0.51 | 17.2 (3.0) | 0.15 | 16.1 (1.5) | 0.99 |
Platelets | |||||||||||
 Platelet count (× 103/mcL) | 312 (103) | 30 (118) | 0.20 | 306 (141) | 0.24 | 297 (104) | 0.38 | 288 (107) | 0.19 | 315 (131) | 0.51 |