TABLE 1.
Results of smear and culture of sputum samples
| Sample collection date (mo/day) | Smear resultsa | Culture results (CFU)b | Identificationc |
|---|---|---|---|
| 2/5d | 2+ | M. tuberculosis | |
| 2/16d | 2+ | Both M. tuberculosis and MAC | |
| 4/17 (on admission) | 3+ | 4+ | Both M. tuberculosis and MAC |
| 5/1 | 1+ | 2+ | M. tuberculosis |
| 5/2 | 2+ | 4+ | Both M. tuberculosis and MAC |
| 5/7 | 2+ | 4+ | MAC |
| 6/10 | 1+ | 30 | M. tuberculosis |
| 7/1 | 1+ | 20 | M. tuberculosis |
| 7/29 | 1+ | 1 | M. tuberculosis |
| 8/20 | 1+ | 1 | M. tuberculosis |
| 9/17 |
a
Number of AFB with Ziehl-Neelsen staining. Scores: 1+, 1 to 4 AFB/slide or 1 AFB/several fields (500×); 3+, more than 12 AFB/field; 2+, score between 1+ and 3+.
b
Number of CFU on Ogawa egg medium. 4+, more than 2,000 CFU; 2+, 200 to 500 CFU.
c
Identification by probe analysis by using the AccuProbe test.
d
Sputum samples from another hospital.