TABLE 5.
Results of repeat testing
| Reference identificationa | No. of isolates requiring repeat testing (repeat rate, %) | No. of isolates with indicated Vitek MS identification result |
|||
|---|---|---|---|---|---|
| Respot correct | Reextract correct | Reextract incorrect | Final | ||
| Mycobacteria (total tested = 813) | |||||
| M. abscessus complex (n = 40) | 1 (3) | 1 | |||
| M. avium (n = 68) | 3 (4) | 1 | 2 | ||
| M. chelonae (n = 29) | 1 (3) | 1 | |||
| MAC-XN (n = 20) | 6 (30) | 6 | |||
| M. fortuitum group (n = 49) | 1 (2) | 1 | |||
| M. gordonae (n = 33) | 6 (17) | 4 | 2 | ||
| M. gordonae/paragordonaeN (n = 3) | 1 (100) | 1 | |||
| M. haemophilum (n = 18) | 3 (9) | 1 | 1 | 1 | |
| M. kansasii (n = 31) | 4 (13) | 4 | |||
| M. lentiflavum (n = 37) | 13 (30) | 4 | 5 | 4 | |
| M. malmoense (n = 4) | 4 (12) | 2 | |||
| M. mucogenicum (n = 20) | 4 (13) | 1 | 1 | 2 | |
| M. paraenseN (n = 1) | 1 (100) | 1 | |||
| M. parascrofulaceumN (n = 2) | 1 (50) | 1 | |||
| M. paraffinicumN (n = 9) | 7 (78) | 7 | |||
| M. phocaicumN (n = 21) | 1 (5) | 1 | |||
| M. scrofulaceum (n = 15) | 3 (10) | 1 | |||
| M. shigaenseN (n = 3) | 3 (100) | 3 | |||
| M. simiae (n = 28) | 1 (3) | 1 | |||
| M. smegmatis (n = 21) | 6 (20) | 1 | 3 | ||
| M. szulgai (n = 24) | 2 (6) | 1 | 1 | ||
| M. xenopi (n = 24) | 1 (3) | 1 | |||
| Mycobacterium speciesN (n = 1) | 1 (100) | 1 | |||
| Total | 68 (10) | 21 | 14 | 33 | |
| Nocardia (total tested = 417) | |||||
| N. abscessus (n = 16) | 7 (23) | 6 | 1 | ||
| N. arthritidisN (n = 6) | 5 | 5 | |||
| N. asiaticaN (n = 5) | 1 | 1 | |||
| N. asteroides (n = 19) | 2 (6) | 1 | 1 | ||
| N. brasiliensis (n = 37) | 2 (5) | 2 | |||
| N. mexicanaN (n = 1) | 1 | 1 | |||
| N. otitidiscaviarum (n = 18) | 1 (3) | 1 | |||
| N. pseudobrasiliensis (n = 13) | 4 (13) | 3 | 1 | ||
| N. rhamnosiphilaN (n = 2) | 2 | 2 | |||
| N. testaceaN (n = 1) | 1 | 1 | |||
| N. vulnerisN (n = 1) | 1 | 1 | |||
| N. wallacei (n = 13) | 1 (3) | 1 | |||
| Nocardia speciesN (n = 10) | 7 | 7 | |||
| Total | 35 (11) | 5 | 6 | 1 | 22 |
| Total (n = 963) | 103 (11) | 26 | 20 | 2 | 55 |
a
A superscript “N” indicates species not included in the v3.0 database. Only those species that had at least one isolate that required repeat testing are listed.