TABLE 1.
Rates of recovery of mycobacteria by individual systems and system combinations
| Specimens | Culture system | No. (%) of specimens positive for:
|
|||
|---|---|---|---|---|---|
| Any mycobacteriaa | Any mycobacteria excluding M. gordonae | MTBC | Otherb | ||
| All | MGIT 960 | 149 (63.9) | 138 (72.6) | 55 (84.6) | 83 (66.4) |
| ESP II | 166 (71.2) | 133 (70.0) | 48 (73.8) | 85 (68.0) | |
| MAc | 144 (61.8) | 126 (66.3) | 57 (87.7) | 69 (55.2) | |
| MGIT 960 and MA | 190 (81.5) | 166 (87.4) | 64 (98.5) | 102 (81.6) | |
| ESP II and MA | 196 (84.1) | 153 (80.5) | 60 (92.3) | 93 (74.7) | |
| MGIT 960 and ESP II | 212 (91.0) | 175 (92.1) | 62 (95.4) | 113 (90.4) | |
| Total | 233 | 190 | 65 | 125 | |
| Respiratory | MGIT 960 | 105 (62.5) | 97 (72.9) | 47 (83.9) | 50 (64.9) |
| ESP II | 108 (64.3) | 86 (64.7) | 40 (71.4) | 46 (59.7) | |
| MA | 94 (56.0) | 78 (58.6) | 49 (87.5) | 29 (37.7) | |
| MGIT 960 and MA | 134 (79.8) | 118 (88.7) | 55 (98.2) | 63 (81.8) | |
| ESP II and MA | 139 (82.7) | 101 (75.9) | 50 (89.3) | 53 (68.8) | |
| MGIT 960 and ESP II | 142 (84.5) | 122 (91.7) | 53 (94.6) | 69 (89.6) | |
| Total | 168 | 133 | 56 | 77 | |
a
Includes 43 total M. gordonae isolates from all specimens (11 recovered by BACTEC MGIT 960, 33 recovered by ESP II, and 18 recovered by Middlebrook agar) and 35 total M. gordonae isolates from respiratory specimens (8 recovered by BACTEC MGIT 960, 22 recovered by ESP II, and 16 recovered by MA).
b
Mycobacteria other than MTBC and M. gordonae.
c
MA, Middlebrook agar.