Table 3.
Characteristic | MAC (n=45) | M. abscessus complex (n=23) | P value |
---|---|---|---|
Age, years | 50 (43–61) | 50 (42–55) | 0.241 |
Sex, male | 21 (50) | 6 (26) | 0.101 |
Type of disease | 0.181 | ||
Nodular bronchiectatic | 21 (47) | 16 (70) | |
Fibrocavitary | 21 (47) | 7 (30) | |
Unclassifiable | 3 (7) | 0 | |
Preoperative sputum examinations | |||
Positive AFB stain | 26 (58) | 17 (74) | 0.192 |
Positive AFB culture | 35 (78) | 17 (74) | 0.722 |
Indications of surgery | 0.812 | ||
Poor response to medical therapy | 34 (76) | 16 (70) | |
Remnant destroyed lesions | 8 (18) | 6 (26) | |
Massive hemoptysis | 3 (7) | 1 (4) | |
Type of resection* | 0.292 | ||
Pneumonectomy | 4 (9) | 1 (4) | |
Completion pneumonectomy | 3 (6) | 0 | |
Bilobectomy plus segmentectomy | 0 | 1 (4) | |
Bilobectomy | 1 (2) | 2 (8) | |
Lobectomy plus segmentectomy | 3 (6) | 4 (16) | |
Lobectomy | 26 (55) | 15 (60) | |
Segmentectomy | 9 (19) | 2 (8) | |
Wedge resection | 1 (2) | 0 | |
Surgical approach | 0.596 | ||
Open thoracotomy | 29 (62) | 17 (68) | |
Thoracoscopic approach† | 18 (38) | 9 (32) | |
Postoperative complications | 0.529 | ||
Postoperative mortality | 1 (2) | 0 | 1.000 |
Bronchopleural fistula | 2 (4) | 3 (13) | 0.334 |
Wound dehiscence | 0 | 3 (13) | 0.035 |
Empyema | 1 (2) | 2 (9) | 0.257 |
Pneumonia | 1 (2) | 0 | 1.000 |
Vocal cord palsy | 1 (2) | 0 | 1.000 |
Pericarditis | 1 (2) | 0 | 1.000 |
Atrial fibrillation | 1 (2) | 0 | 1.000 |
Sputum culture conversion | 39 (87) | 16 (70) | 0.111 |
The data are presented as medians and interquartile ranges or as numbers (%).
MAC, Mycobacterium avium complex; TB, tuberculosis; AFB, acid-fast bacilli.
*Forty-five MAC patients underwent 47 operations, and 23 M. abscessus complex patients underwent 25 operations.
†One patient underwent surgery using the thoracoscopic approach with minithoracotomy.