Table 2.
Clinical features of the patients in the DOTa and VOTb groups.
| Clinical features | DOT group (n=158), n (%) | VOT group (n=235), n (%) | P value | |
| Abnormal chest radiographs | N/Ac | |||
|
|
Yes | 158 (100.0) | 235 (100.0) |
|
|
|
No | 0 (0) | 0 (0) |
|
| Cavity | .28 | |||
|
|
Yes | 36 (22.8) | 43 (18.3) |
|
|
|
No | 122 (77.2) | 192 (81.7) |
|
| Registration classification | .65 | |||
|
|
New patients | 157 (99.4) | 232 (98.7) |
|
|
|
Patients with recurrence | 1 (0.6) | 3 (1.3) |
|
| Symptoms | .16 | |||
|
|
Night sweat | 1 (0.6) | 0 (0) |
|
|
|
Cough for less than 2 weeks | 14 (8.9) | 22 (9.4) |
|
|
|
Cough for more than 2 weeks | 34 (21.5) | 57 (24.3) |
|
|
|
Cough sputum for less than 2 weeks | 3 (1.9) | 0 (0) |
|
|
|
Cough sputum for more than 2 weeks | 1 (0.6) | 0 (0) |
|
|
|
Hemoptysis or blood sputum | 7 (4.4) | 17 (7.2) |
|
|
|
Chest tightness | 0 (0) | 3 (1.3) |
|
|
|
Chest pain | 10 (6.3) | 19 (8.1) |
|
|
|
Asymptomatic | 88 (55.7) | 117 (49.8) |
|
| Sputum smears at the time of diagnosis | .91 | |||
|
|
Negative | 125 (79.1) | 194 (82.6) |
|
|
|
2-3 bacilli/300 fields of view | 0 (0) | 1 (0.4) |
|
|
|
4-10 bacilli/300 fields of view | 3 (1.9) | 2 (0.9) |
|
|
|
3-9 bacilli/100 fields of view | 7 (4.4) | 11 (4.7) |
|
|
|
1-9 bacilli/10 fields of view | 8 (5.1) | 9 (4.3) |
|
|
|
1-9 bacilli/field of view | 6 (3.8) | 7 (3.0) |
|
|
|
≥10 bacilli/field of view | 9 (5.7) | 11 (4.7) |
|
| Sputum cultures at the time of diagnosis | .37 | |||
|
|
Positive | 72 (45.6) | 118 (50.2) |
|
|
|
Negative | 86 (54.4) | 117 (49.8) |
|
aDOT: directly observed therapy.
bVOT: video-observed therapy.
cNot applicable: Chi-square test or Fisher’s exact test could not be used when 2 groups are compared with all cases representing the same results.