Table 3.
Treatment outcomes of pulmonary tuberculosis in Orizaba, Veracruz, Mexico, 1995-2010.
| Total * | Non-smokers | Light smokers † |
Heavy smokers ‡ |
P value § | P value §§ | |
|---|---|---|---|---|---|---|
| n/Total (%) | n/Total (%) | n/Total (%) | n/Total (%) | |||
| Initiation of treatment < 10 days after diagnosis |
734/980 (74.9) | 538/732 (73.5) | 143/185 (77.3) | 53/63 (84.1) | 0.1 | 0.5 |
| Cure | 870/1034 (84.1) | 663/779 (85.1) | 161/191 (84.3) | 46/64 (71.9) | 0.021 | 0.5 |
| Default | 94/964 (9.7) | 66/729 (9.0) | 15/176 (8.5) | 13/59 (22.0) | 0.004 | 0.041 |
| Failure | 33/903 (3.6) | 23/686 (3.3) | 8/169 (4.7) | 2/48 (4.1) | 0.7 | 0.5 |
| Death during treatment | 37/907 (4.0) | 27/690 (3.9) | 7/168 (4.1) | 3/49 (6.1) | 0.7 | 0.5 |
| Unfavorable treatment outcome | 152/1034 (14.7) | 106/779 (13.6) | 28/191 (14.7) | 18/64 (28.1) | 0.007 | 0.030 |
| Follow up after treatment completion (Months) (Median, IQR ¶) |
61(25-91) | 61(25-87) | 62 (28-92) | 64 (24-124) | 0. 2 # | 0.09 |
| Retreatment | 102/997 (10.2) | 68/752 (9.0) | 23/184 (12.5) | 11/61 (18.0) | 0.044 | 0.029 |
| Death due to any cause | 253/1062 (23.8) | 190/802 (23.7) | 45/195 (23.1) | 18/65 (27.7) | 0.7 | 0.7 |
| Death due to TB | 76/1062 (7.2) | 58/802 (7.2) | 13/195 (6.7) | 5/65 (7.7) | 0.9 | 0.9 |
| Death due to cause different from TB |
177/1062 (16.6) | 132/802 (6.4) | 32/195 (16.4) | 13/65 (20.0) | 0.7 | 0.5 |
*
Because there were missing values for the characteristics of some of the tuberculosis patients, several of the numbers below do not sum to the group total.
†
Light smokers: Individuals smoking 1-10 cigarettes per day.
‡
Heavy smokers: Individuals smoking >10 cigarettes per day.
§
Chi-square test with R x C contingency tables
§§
Chi-square test for trends
¶
IQR: Inter-quartile range.
#
Mann Whitney Test