TABLE 1.
Baseline patient characteristicsa.
| Total (n = 244) | M. abscessus subsp. abscessus pulmonary disease (n = 185) | M. abscessus subsp. massiliense pulmonary disease (n = 59) | P-value | |
| Median age (years) | 56.0(49.0,65.8)b | 56(49.0,66.0)b | 54.0(48.0,63.0)b | 0.207 |
| Sex, male | 66(27.0) | 53(28.6) | 13(22.0) | 0.319 |
| Body mass index (kg/m2) | 19.6(18.6,20.5)b | 19.7(18.6,20.5)b | 19.4(18.6,20.6)b | 0.536 |
| Respiratory comorbidities | ||||
| Prior TB/NTMc | 127(52.0) | 92(49.7) | 35(59.3) | 0.199 |
| Bronchiectasis | 208(85.2) | 154(83.2) | 54(91.5) | 0.118 |
| COPDc | 16(6.6) | 13(7.0) | 3(5.1) | 0.768 |
| Cor pulmonale | 12(4.9) | 10(5.4) | 2(3.4) | 0.736 |
| Asthma | 15(6.1) | 12(6.5) | 3(5.1) | 1.000 |
| Main respiratory symptoms | ||||
| Cough | 201(82.4) | 153(87.4) | 48(81.4) | 0.246 |
| Sputum | 206(84.4) | 158(85.4) | 48(81.4) | 0.455 |
| Hemoptysis | 59(24.2) | 47(25.4) | 12(20.3) | 0.429 |
| Shortness of breath | 75(30.7) | 54(29.2) | 21(35.6) | 0.353 |
| Chest pain | 48(19.7) | 38(20.5) | 10(16.9) | 0.546 |
| Radiographic features | <0.001 | |||
| Fibrocavitary | 61(25.0) | 57(30.8) | 4(6.8) | |
| Nodular bronchiectatic | 171(70.1) | 116(62.7) | 55(93.2) | |
| Indeterminate | 12(4.9) | 12(6.5) | 0(0) | |
aData are the medians (interquartile range) or numbers (percentage). bRange. cTB, tuberculosis; NTM, non-tuberculous mycobacterium; COPD, chronic obstructive pulmonary disease.