Trends in the number and the proportion of sputum smear positive, presence of respiratory symptoms positive and advanced chest x-rays among homeless and non-homeless by type of examination
| 2007 | 2008 | 2009 | ||||||
|---|---|---|---|---|---|---|---|---|
| Variables | n | % | n | % | p Value (2007 vs 2008) | n | % | p Value (2008 vs 2009) |
| Homeless | ||||||||
| Health examination, total | 28 | 100.0 | 25 | 100.0 | 51 | 100.0 | ||
| Sputum smear test positive | 6 | 21.4 | 13 | 52.0 | 0.02 | 11 | 21.6 | 0.007 |
| Respiratory symptoms positive | 17 | 60.7 | 22 | 88.0 | 0.02 | 27 | 52.9 | 0.003 |
| Chest x-ray grades 2 and 3 | 11 | 39.3 | 16 | 64.0 | 0.07 | 22 | 43.1 | 0.47 |
| Clinical examination, total | 109 | 100.0 | 103 | 100.0 | 62 | 100.0 | ||
| Sputum smear test positive | 64 | 58.7 | 58 | 56.3 | 0.72 | 42 | 67.7 | 0.15 |
| Respiratory symptoms positive | 77 | 70.6 | 77 | 74.8 | 0.50 | 48 | 77.4 | 0.70 |
| Chest x-ray grades 2 and 3 | 76 | 69.7 | 68 | 66.0 | 0.56 | 42 | 67.7 | 0.82 |
| Non-homeless | ||||||||
| Health examination, total | 95 | 100.0 | 83 | 100.0 | 117 | 100.0 | ||
| Sputum smear test positive | 25 | 26.3 | 21 | 25.3 | 0.88 | 45 | 38.5 | 0.05 |
| Respiratory symptoms positive | 27 | 28.4 | 31 | 37.3 | 0.20 | 53 | 45.3 | 0.26 |
| Chest x-ray grades 2 and 3 | 28 | 29.5 | 17 | 20.5 | 0.17 | 46 | 39.3 | 0.005 |
| Clinical examination, total | 841 | 100.0 | 779 | 100.0 | 858 | 100.0 | ||
| Sputum smear test positive | 546 | 64.9 | 446 | 57.3 | 0.002 | 525 | 61.2 | 0.11 |
| Respiratory symptoms positive | 647 | 76.9 | 656 | 84.2 | <0.001 | 741 | 86.4 | 0.22 |
| Chest x-ray grades 2 and 3 | 627 | 74.6 | 523 | 67.1 | 0.001 | 615 | 71.7 | 0.05 |