24 h | 48 h | 72 h | ||||
---|---|---|---|---|---|---|
≥5 mm, N | <5 mm, N | ≥5 mm, N | <5 mm, N | ≥5 mm, N | <5 mm, N | |
In TB patients | ||||||
Induration diameter | 536 | 207 | 626 | 117 | 620 | 120 |
Erythema diameter | 634 | 109 | 675 | 68 | 674 | 66 |
χ2 | 38.60 | 14.82 | 17.93 | |||
P | <0.01 | <0.01 | <0.01 | |||
In bacteriologically positive TB patients | ||||||
Induration diameter | 303 | 91 | 341 | 53 | 332 | 62 |
Erythema diameter | 351 | 43 | 369 | 25 | 368 | 26 |
χ2 | 20.72 | 11.16 | 16.58 | |||
P | <0.01 | <0.01 | <0.01 | |||
In bacteriologically nagative TB patients | ||||||
Induration diameter | 188 | 94 | 227 | 55 | 231 | 48 |
Erythema diameter | 227 | 55 | 244 | 38 | 244 | 35 |
χ2 | 13.87 | 3.72 | 2.39 | |||
P | <0.01 | 0.05 | 0.12 | |||
In extrapulmonary TB patients | ||||||
Induration diameter | 46 | 21 | 58 | 9 | 57 | 10 |
Erythema diameter | 56 | 11 | 62 | 5 | 62 | 5 |
χ2 | 4.11 | 1.28 | 1.88 | |||
P | 0.04 | 0.26 | 0.17 | |||
In healthy volunteers | ||||||
Induration diameter | 38 | 1476 | 134 | 1380 | – | – |
Erythema diameter | 70 | 1444 | 154 | 1360 | – | – |
χ2 | 9.83 | 1.54 | ||||
P | <0.01 | 0.22 | ||||
In BCG vaccination volunteers | ||||||
Induration diameter | 20 | 295 | 16 | 299 | – | – |
Erythema diameter | 29 | 286 | 22 | 293 | – | – |
χ2 | 1.79 | 1.01 | ||||
P | 0.18 | 0.32 |