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. 2021 Jun 18;33:e21. doi: 10.35371/aoem.2021.33.e21

Table 3. Categories of those unacknowledged as victims of humidifier disinfectant.

Health injury Association of humidifier disinfectant-related health injuries
Total Overall association Strong association Association No association
URI 22 17 (77.3) 10 (45.5) 7 (31.8) 5 (22.7)
Asthma 18 17 (94.4) 12 (66.6) 5 (27.8) 1 (5.6)
Respiratory symptom 19 18 (94.7) 3 (15.8) 15 (78.9) 1 (5.3)
Rhinitis 12 9 (75.0) 4 (33.3) 5 (41.7) 3 (25.0)
Pneumonia 7 7 (100.0) 7 (100.0) 0 (0.0) 0 (0.0)
ILD 4 2 (50.0) 2 (50.0) 0 (0.0) 2 (50.0)
COPD 4 3 (75.0) 2 (50.0) 1 (25.0) 1 (25.0)
Lung cancer 4 0 (0.0) 0 (0.0) 0 (0.0) 4 (100.0)
Tuberculosis 3 0 (0.0) 0 (0.0) 0 (0.0) 3 (100.0)
Bronchiectasis 2 1 (50.0) 1 (50.0) 0 (0.0) 1 (50.0)
Radiologic abnormality 2 0 (0.0) 0 (0.0) 0 (0.0) 2 (100.0)
NTM 1 0 (0.0) 0 (0.0) 0 (0.0) 1 (100.0)
HP 1 1 (100.0) 1 (100.0) 0 (0.0) 0 (0.0)
Other disease 13 3 (23.1) 3 (23.1) 0 (0.0) 10 (76.9)
No disease 1 0 (0.0) 0 (0.0) 0 (0.0) 1 (100.0)
Total 113 78 (69.0) 45 (39.8) 33 (29.2) 35 (31.0)

Values are presented as number (%).

URI: upper respiratory inflammation; ILD: interstitial lung disease; COPD: chronic obstructive pulmonary disease; NTM: nontuberculous mycobacteria; HP: hypersensitivity pneumonitis.