Estimation of annual risk of tuberculous infection (ARTI) using a tuberculin cut-off point of ⩾10 mm in different sexes and age groups
| Sex | Age group(years) | Mean age(years) | % Prevalence(95% CI) | ARTI(95% CI) |
|---|---|---|---|---|
| Girls | 6–7 | 7.03 | 12.89 (11.98 to 13.80) | 1.94 (1.80 to 2.09) |
| 8–9 | 8.98 | 16.08 (15.10 to 17.05) | 1.93 (1.81 to 2.06) | |
| 6–9 | 8.03 | 14.51 (13.84 to 15.18) | 1.93 (1.84 to 2.03) | |
| Boys | 6–7 | 7.03 | 9.14 (8.33 to 9.95) | 1.36 (1.23 to 1.48) |
| 8–9 | 8.99 | 12.39 (11.50 to 13.28) | 1.46 (1.35 to 1.57) | |
| 6–9 | 8.04 | 10.83 (10.23 to 11.43) | 1.41 (1.33 to 1.50) | |
| Overall | 6–7 | 7.03 | 11.08 (10.47 to 11.69) | 1.66 (1.56 to 1.75) |
| 8–9 | 8.99 | 14.26 (13.60 to 14.93) | 1.70 (1.61 to 1.78) | |
| 6–9 | 8.04 | 12.72 (12.26 to 13.17) | 1.68 (1.61 to 1.74) |