Table 8. Virtual Clinic Tuberculosis Contact Management indicators by place of residence—on versus off reserve—Alberta, 2008–2012 (Random draw 1).
| Place of Residence | |||||
|---|---|---|---|---|---|
| Indicator | Target | All Communities | Virtual On | Virtual Off | p-value |
| (%) | n | n | n | ||
| Randomly selected PTB cases | 36 | 10 | 26 | ||
| Close contacts | |||||
| < 5 yr (%) | 74 | 53 (12.8) | 21(8.6) | 0.39 | |
| ≥ 5 yr (%) | 592 | 198 (87.2) | 394 (91.4) | 0.39 | |
| No. close contacts assessed * | |||||
| < 5 yr (%) | 100 | 71 (96) | 51 (97.1) | 20 (96.2) | 0.88 |
| ≥ 5 yr (%) | 80 | 426 (76) | 148 (75.0) | 278 (81.1) | 0.47 |
| No. secondary cases | |||||
| < 5 yr (%) | 1–2 | 0 (0) | 0 (0.0) | 0 (0.0) | NA |
| ≥ 5 yr (%) | 1–2 | 11 (2) | 8 (4.3) | 3 (1.4) | 0.17 |
| No. new positive TST's † | |||||
| < 5 yr (%) | 31–36 | 14 (21) | 9 (15.7) | 5 (21.8) | 0.72 |
| ≥ 5 yr (%) | 31–36 | 122 (16) | 32 (25.9) | 90 (38.5) | 0.35 |
| No. recommended Tx LTBI | |||||
| < 5 yr (%) | 100 | 14 (100) | 9 (100) | 5 (100) | NA |
| ≥ 5 yr (%) | 100 | 117 (93) | 31 (83.3) | 86 (96.9) | 0.15 |
| No. accepting Tx LTBI | |||||
| < 5 yr (%) | 100 | 14 (100) | 9 (100) | 5 (100) | NA |
| ≥ 5 yr (%) | 80 | 89 (75) | 27 (91.5) | 62 (64.6) | 0.10 |
| No. completing Tx LTBI | |||||
| < 5 yr (%) | 100 | 14 (100) | 9 (100) | 5 (100) | NA |
| ≥ 5 yr (%) | 80 | 69 (80) | 22 (90.0) | 47 (72.3) | 0.33 |
Abbreviations: Pop-Grp population group; PTB pulmonary TB; yr year; TST tuberculin skin test; Tx treatment, LTBI latent TB infection
*The mean proportions (%) reported for each indicator take into account the number of contacts per smear-positive case.
†New positive TST's include those with a new positive TST and no past positive TST and those with TST conversion. They do not include secondary cases