Table 1 Baseline characteristics of HIV participants at the first TB screening
Variables | Category | Total cases of TB screening | TB screeninga positive for TB | TB screening negative for TB | p-value†|
|---|---|---|---|---|---|
N = 1118 | N = 54 | N = 1064 | |||
Age (years) | Under 30 | 226 (20.2%) | 9 (16.7%) | 217 (20.4%) | 0.71 |
30–39 | 506 (45.3%) | 24 (44.4%) | 482 (45.3%) | ||
Over 40 | 386 (34.5%) | 21 (38.9%) | 365 (34.3%) | ||
Sex | Male | 510 (45.6%) | 37 (68.5%) | 473 (44.4%) | 0.002 |
Female | 604 (54.0%) | 17 (31.5%) | 587 (55.2%) | ||
Missing data | 4 (0.4%) | – | 4 (0.4%) | ||
Ethnicity | Thai | 782 (69.9%) | 34 (63.0%) | 748 (70.3%) | 0.50 |
Hill tribe | 211 (18.9%) | 13 (24.0%) | 198 (18.6%) | ||
Others | 125 (11.2%) | 7 (13.0%) | 118 (11.1%) | ||
Year of DCC registration | 2002–2006 | 489 (43.7%) | 22 (40.7%) | 467 (43.9%) | 0.48 |
2007–2011 | 500 (44.7%) | 23 (42.6%) | 477 (44.8%) | ||
2012–2015 | 129 (11.6%) | 9 (16.7%) | 120 (11.3%) | ||
CD4 (/mm3) | < 50 | 262 (23.4%) | 20 (37.0%) | 242 (22.7%) | < 0.001 |
50–199 | 292 (26.1%) | 23 (42.6%) | 269 (25.3%) | ||
≧200 | 564 (50.5%) | 11 (20.4%) | 553 (52.0%) | ||
ART | No | 633 (56.6%) | 41 (75.9%) | 592 (55.6%) | 0.008 |
Past/Current | 335 (30.0%) | 5 (9.3%) | 330 (31.0%) | ||
Start during follow-up | 130 (11.6%) | 7 (13.0%) | 123 (11.6%) | ||
Missing data | 20 (1.8%) | 1 (1.8%) | 19 (1.8%) | ||
TST (Positive: > 5 mm) | Negative | 981 (87.7%) | 36 (66.7%) | 945 (88.8%) | < 0.001 |
Positive | 94 (8.4%) | 15 (27.8%) | 79 (7.4%) | ||
Not tested | 43 (3.9%) | 3 (5.6%) | 40 (3.8%) | ||
Abnormal chest X ray | No | 831 (74.3%) | 23 (42.6%) | 808 (75.9%) | < 0.001 |
Yes | 281 (25.1%) | 31 (57.4%) | 250 (23.5%) | ||
No tested | 6 (0.5%) | – | 6 (0.6%) | ||
TB symptomsb | No | 693 (62.0%) | 13 (24.1%) | 680 (63.9%) | < 0.001 |
At least one symptom | 425 (38.0%) | 41 (75.9%) | 384 (36.1%) | ||
Whole blood cell counts (/mm3) | Median (IQR) | 5700 (4400–7100) | 5970 (4800–7500) | 5700 (4400–7100) | 0.30 |
Lymphocyte counts (/mm3) | Median (IQR) | 1733.7 (1176.7–2324.7) | 1170.5 (752.1–1596.7) | 1777.0 (1196.2–2346.8) | < 0.001 |
Monocyte counts (/mm3) | Median (IQR) | 343.1 (234.5–485.9) | 374.0 (220.0–500.9) | 341.5 (235.2–483.7) | 0.53 |
Neutrophil counts (/mm3) | Median (IQR) | 2877.9 (2160.0–3939.0) | 3585.9 (2880.0–5079.6) | 2827.3 (2143.6–3884.8) | < 0.001 |
NL ratio | Median (IQR) | 1.67 (1.16–2.64) | 3.27 (1.99–5.41) | 1.66 (1.14–2.54) | < 0.001 |