Volume 23, Number 7—July 2017
Research
Nontuberculous Mycobacteria Infections at a Provincial Reference Hospital, Cambodia
Table 6
Comparison of American Thoracic Society classification criteria used to define NTM disease with those used in a study of NTM infections at Kampong Cham Provincial Reference Hospital, Cambodia, October 1, 2012–April 21, 2014*
Radiologic criteria | Clinical criteria, in addition to cough of >3 wks duration |
|||
---|---|---|---|---|
Same NTM species in 2 sputum samples‡ | NTM in only 1 sputum sample | NTM and MTBc in 1 sputum sample | Total | |
Chest radiograph results | ||||
Suggestive†‡ | 12 (8)‡ | 24 (1) | 4 | 40 |
Abnormal but nonsuggestive | 2 (1) | 44 | 0 | 46 |
Normal |
3 |
39 (1) |
0 |
42 |
Total | 16 | 108 | 4 | 128 |
*CR, chest radiograph; MTBc, Mycobacterium tuberculosis complex; NTM, nontuberculous mycobacterial.
†Presence of nodules, cavities, or bronchiectasis.
‡Criteria corresponding to the NTM lung disease classification according to the American Thoracic Society. Numbers in parentheses correspond to the cases classified as NTM lung disease by the study’s expert committee.