Volume 8, Number 11—November 2002
THEME ISSUE
Tuberculosis Genotyping
Tuberculosis Genotyping Network, United States
Quality Assessment of Mycobacterium tuberculosis Genotyping in a Large Laboratory Network
Christopher R. Braden*
, Jack T. Crawford*, and Barbara A. Schable*
, Jack T. Crawford*, and Barbara A. Schable*
Table 2
Number and percent of restriction fragment length polymorphism images from each laboratory matching reference pattern in quality assessment panels
| Laboratory | No. of patterns submitted by laboratory | Matcha (%) | Match ±1b (%) | Match ±2c (%) |
|---|---|---|---|---|
| 1 | 36 | 27 (75) | 33 (92) | 36 (100) |
| 2 | 39 | 29 (74) | 35 (90) | 38 (97) |
| 3 | 35 | 27 (77) | 35 (100) | 35 (100) |
| 4 | 38 | 33 (87) | 37 (97) | 38 (100) |
| 5 | 38 | 33 (87) | 35 (92) | 36 (95) |
| 6 | 34 | 22 (65) | 28 (82) | 33 (97) |
| 7 | 27 | 13 (48) | 25 (93) | 26 (96) |
| 8 | 33 | 20 (61) | 25 (76) | 30 (91) |
a Number of patterns submitted by laboratory that matched exactly the reference pattern.
b Match ±1, exact match with the exception of one band.
cMatch ±2, exact match with the exception of two bands.
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