Volume 12, Number 5—May 2006
THEME ISSUE
Tuberculosis Special Section
Research
Mycobacterium tuberculosis and Rifampin Resistance, United Kingdom
I-Ching Sam*1, Francis Drobniewski*
, Philip More*, Melanie Kemp*, and Timothy Brown*
, Philip More*, Melanie Kemp*, and Timothy Brown*
Table 4
Mean time in days to culture MTBC from all primary specimens (including those from patients receiving treatment), stratified according to smear microscopy result*
| AFB stain result | PCR result |
|||
|---|---|---|---|---|
| Positive (n) | Negative (n) | Equivocal (n) | Total (n) | |
| Positive | 18.0 (747) | 23.3 (51) | 22.0 (9) | 18.4 (807) |
| Negative | 25.4 (35) | 31.3 (84) | 30.0 (6) | 29.6 (125) |
| Not done | 0 (0) | 22.0 (1) | 21.0 (1) | 21.5 (2) |
| Total | 18.4 (782) | 28.2 (136) | 24.9 (16) | 19.9 (934) |
*MTBC, Mycobacterium tuberculosis complex; PCR, polymerase chain reaction; AFB, acid-fast bacilli; n, no. of samples.
1Current affiliation: University of Malaya, Kuala Lumpur, Malaysia
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