Table 4. Tuberculosis Contact Management indicators by Clinic Site of Care, Alberta, 2008–2012 (Random draw 1).
| Clinic Site of Care* | |||||
|---|---|---|---|---|---|
| Indicator | Target | All Clinics | Virtual Clinic | Outpatient Clinics | p-value § |
| (%) | n | n | n | ||
| Randomly selected PTB cases | 71 | 36 | 35 | ||
| Close contacts | |||||
| < 5 yr (%) | 95 | 74 (9.7) | 21(8.6) | 0.74 | |
| ≥ 5 yr (%) | 771 | 592 (90.3) | 179 (91.4) | 0.74 | |
| A,No. close contacts assessed † | |||||
| < 5 yr (%) | 100 | 90 (95) | 71 (96.4) | 19 (88.6) | 0.31 |
| ≥ 5 yr (%) | 80 | 533 (71) | 426 (79.4) | 107 (69.8) | 0.17 |
| B,No. secondary cases/A | |||||
| < 5 yr (%) | 1–2 | 1 (3) | 0 (0.0) | 1 (3.3) | 0.16 |
| ≥ 5 yr (%) | 1–2 | 14 (2) | 11 (2.2) | 3 (4.5) | 0.49 |
| C,No. new positive TST's ‡ /A | |||||
| < 5 yr (%) | 31–36 | 14 (100) | 14 (20.1) | 0 (0.0) | 0.06 |
| ≥ 5 yr (%) | 31–36 | 167 (16) | 122 (35.0) | 45 (42.5) | 0.46 |
| D,No. recommended Tx LTBI/C | |||||
| < 5 yr (%) | 100 | 14 (100) | 14 (100) | 0 (NA) | NA |
| ≥ 5 yr (%) | 100 | 159 (93) | 117 (93.8) | 42 (87.8) | 0.44 |
| E,No. accepting Tx LTBI/D | |||||
| < 5 yr (%) | 100 | 14 (100) | 14 (100) | 0 (NA) | |
| ≥ 5 yr (%) | 80 | 127 (80) | 89 (70.0) | 38 (92.3) | 0.016 |
| F,No. completing Tx LTBI/E | |||||
| < 5 yr (%) | 100 | 14 (100) | 14 (100) | 0 (NA) | |
| ≥ 5 yr (%) | 80 | 95 (76) | 69 (76.3) | 26 (62.6) | 0.27 |
Abbreviations: PTB Pulmonary TB; yr year; TST tuberculin skin test; Tx treatment, LTBI latent TB infection
* See text for definition of clinic type
† 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
§Adjusted for population group.