Table 1.
Characteristics of study population (2013–2019)
| Variables (n (%)) | Non-cases | Total NTM | MAC | M. abscessus |
|---|---|---|---|---|
| N | 16,677 | 3,771 (18‡) | 1,816 (48†) | 960 (25†) |
| Male | 8,648 (52) | 1,931 (51) | 912 (50) | 501 (52) |
| Female | 8,029 (48) | 1,840 (49) | 904 (50) | 459 (48) |
| Age (median (IQR)) | 23 (16–32) | 25 (19–34) | 26 (20–34) | 23 (18–31) |
| Other Infections* | ||||
| Aspergillus spp. | 3,702 (22) | 596 (16) | 267 (15) | 182 (19) |
| Candida spp. | 4,661 (28) | 580 (15) | 284 (16) | 143 (15) |
| Haemophilus influenza | 1,486 (9) | 116 (3) | 46 (3) | 36 (4) |
| Pseudomonas aeruginosa | 10,264 (62) | 2,043 (54) | 832 (46) | 460 (48) |
| Staphylococcus aureus | 11,767 (71) | 1,787 (47) | 1,024 (56) | 511 (53) |
| Stenotrophomonas spp. | 2,465 (15) | 364 (10) | 172 (9) | 103 (11) |
| BMI | ||||
| Underweight | 1,535 (9) | 345 (9) | 152 (8) | 89 (9) |
| Normal | 11,841 (71) | 2,664 (71) | 1,296 (71) | 668 (70) |
| Overweight | 1,394 (8) | 314 (8) | 153 (8) | 83 (9) |
| Obese | 605 (4) | 117 (3) | 55 (3) | 33 (3) |
| F508del Mutation | ||||
| Homozygous | 7,869 (47) | 1,769 (47) | 833 (46) | 470 (49) |
| Heterozygous | 6,201 (37) | 1,419 (38) | 702 (39) | 335 (35) |
Clinical and demographic characteristics of study population by case status and NTM species
*Any isolation during the period 2013 to 2019
‡ Percent of all persons in the study population
† Percent of total NTM incident infection cases