Table 1.
Demographic and Clinical Characteristics of All Confirmed or Probable Case Patients With Mycobacterium abscessus Infections
| Characteristic | No. (%)a |
|---|---|
| Age, y, median (IQR) | 6 (4–7.5) |
| Sex | |
| Male | 35 (49) |
| Female | 36 (51) |
| Diagnostic evaluation | |
| Hospitalized | 70 (99) |
| Outpatient oral surgeon’s office | 1 (1) |
| Face/neck CT | 70 (99) |
| Chest CT | 68 (96) |
| Chest radiograph only | 2 (3) |
| Signs and symptoms | |
| Swelling | 47 (66) |
| Pain | 45 (63) |
| Osteomyelitis on CT | 49/70 (69) |
| Pulmonary nodules | 19/70 (27) |
| Lymphadenopathy | 13 (18) |
| Fever | 3 (4) |
| Treatment | |
| Surgery | 71 (100) |
| Extractions | 71 (100) |
| Hospital | 67 (94) |
| Outpatient oral surgeon’s office | 11 (15) |
| Dental clinic A | 18 (25) |
| Debridement | 71 (100) |
| IV antibiotics by PICC | 32 (45) |
| Clofazimine | 29/32 (91) |
| Laboratory results | |
| Granulomatous on pathology | 29 (41) |
| AFB stain positive | 12 (17) |
| Chronic osteomyelitis on pathology | 33 (46) |
| Culture-positive AFB, not further identified | 2 (3) |
| Culture-positive Mycobacterium abscessus | 19 (27) |
| Culture-positive Mycobacterium chelonae | 1 (1) |
| Incubation, d, mean (IQR) | 85 (48–174.5) |
| Asymptomatic at hospital admission, No.; median (range) | 13; 197 (84–261) |
| Length of hospitalization, d, average (SD) | 8.5 (11.5) |
| No. of pulpotomies, mean (range) | 3 (1–11) |
| Abx therapy length, median, d (IQR) | 137 (122.8–162.3) |
Data are presented as No. (%) unless otherwise indicated.
Abbreviations: Abx, antibiotic; AFB, acid-fast bacilli; CT, computed tomography; IQR, interquartile range; IV, intravenous; PICC, peripherally inserted central catheter; SD, standard deviation.
aDenominator is 71 unless otherwise specified.