Table 4.
Comparative results of the numbers of spots and composition in three subgroups
| Spot types | PTB | PETB | EPTB | χ2/P | Z/P |
|---|---|---|---|---|---|
| ESAT-6 unique positive | |||||
| Cases | 89 | 27 | 154 | ||
| Composition rate | 16.27 | 13.57 | 14.42 | 1.284/0.526 | |
| Median spot number | 22.00 | 21.00 | 17.00 | 5.655/0.059 | |
| Spot number interquartile range | 14.00,42.00 | 12.00,39.00 | 10.00,31.50 | ||
| CFP-10 unique positive | |||||
| Cases | 27 | 5 | 76 | ||
| Composition rate | 4.94 | 2.51 | 7.12 | 7.798/0.020 | |
| Median spot number | 18.00 | 9.00 | 16.50 | 0.014/0.993 | |
| Spot number interquartile range | 9.00,30.00 | 8.50,125.00 | 9.25,33.75 | ||
| ESAT-6 and CFP-10 double positive | |||||
| Cases | 431 | 167 | 838 | ||
| Composition rate | 78.79 | 83.92 | 78.46 | 3.091/0.213 | |
| ESAT-6/ Median spot number | 44.00 | 42.00 | 44.00 | 1.516/0.469 | |
| ESAT-6/(Spot number interquartile range) | 25.00,83.00 | 24.00,87.00 | 23.00,78.00 | ||
| CFP-10/ Median spot number | 42.00 | 53.00 | 47.00 | 3.337/0.189 | |
| CFP-10 (Spot number interquartile range) | 22.00,86.00 | 29.00,94.00 | 23.00,89.00 | ||
| Total spot number | |||||
| Cases | 547 | 199 | 1068 | ||
| Composition rate | 100.00 | 100.00 | 100.00 | ||
| ESAT-6/ Median spot number | 39.00 | 38.00 | 34.00 | 7.061/0.029 | |
| ESAT-6/(Spot number interquartile range) | 19.00,73.00 | 20.00,82.00 | 15.00,67.00 | ||
| CFP-10/ Median spot number | 30.00 | 42.00 | 36.00 | 5.315/0.070 | |
| CFP-10 (Spot number interquartile range) | 11.00,67.00 | 14.00,84.00 | 11.00,76.75 | ||
TB: tuberculosis; PTB: pulmonary TB; PETB: pulmonary and extrapulmonary TB; EPTB extrapulmonary TB