Table 1.
Demographic and clinical characteristics of all participants and study groups categorized by respiratory care center length of stay, weaning outcomes, and mortality.
| Individuals with RCC length of stay >21 days (n = 75) | Individuals with failed weaning (n = 74) | Individuals with death (n = 15) | Individuals with any adverse outcomes (n = 95) | Individuals without any adverse outcomes (n = 86) | Total (n = 181) | |
|---|---|---|---|---|---|---|
| Age (years) | 78.0 ± 10.4 | 77.7 ± 11.3 | 76.4 ± 14.0 | 77.1 ± 11.2 | 73.5 ± 13.1 | 75.4 ± 12.3 |
| Male gender | 65 (86.7%) | 67 (90.5%) | 14 (93.3%) | 84 (88.4%) | 71 (82.6%) | 155 (85.6%) |
| Smoking history | ||||||
| Blood absoluteNever | 7 (9.3%) | 9 (12.2%) | 1 (6.7%) | 11 (11.6%) | 17 (19.8%) | 28 (15.5%) |
| Blood absoluteEx-smoker | 47 (62.7%) | 40 (54.1%) | 9 (60.0%) | 56 (58.9%) | 37 (43.0%) | 93 (51.4%) |
| Blood absoluteCurrent smoker | 21 (28.0%) | 25 (33.8%) | 5 (33.3%) | 28 (29.5%) | 32 (37.2%) | 60 (33.1%) |
| Post- bronchodilator test FEV1/FVC (%) | 52.8 ± 8.9 | 52.9 ± 8.0 | 52.7 ± 5.8 | 53.1 ± 8.4 | 53.9 ± 8.6 | 53.5 ± 8.5 |
| Airflow limitation severity (GOLD spirometric classification) | ||||||
| I | 3 (4.0%) | 2 (2.7%) | 1 (6.7%) | 3 (3.2%) | 15 (17.4%) | 18 (9.9%) |
| II | 40 (53.3%) | 34 (45.9%) | 8 (53.3%) | 53 (55.8%) | 56 (65.1%) | 109 (60.2%) |
| III | 28 (37.3%) | 33 (44.6%) | 5 (33.3%) | 34 (35.8%) | 15 (17.4%) | 49 (27.1%) |
| IV | 4 (5.3%) | 5 (6.8%) | 1 (6.7%) | 5 (5.3%) | 0 (0.0%) | 5 (2.8%) |
| Laboratory findings | ||||||
| WBC (109/L) | 11.4 ± 4.3 | 12.0 ± 4.7 | 12.8 ± 5.2 | 11.6 ± 4.6 | 9.5 ± 3.3 | 10.6 ± 4.2 |
| Blood eosinophil percentage > 2% | 34 (45.3%) | 25 (33.8%) | 5 (33.3%) | 39 (41.1%) | 38 (44.2%) | 77 (42.5%) |
| Blood eosinophil percentage > 4% | 11 (14.7%) | 8 (10.8%) | 1 (6.7%) | 13 (13.7%) | 18 (20.9%) | 31 (17.1%) |
| Blood absolute eosinophil count > 150 cells/μL | 37 (49.3%) | 33 (44.6%) | 9 (60.0%) | 45 (47.4%) | 46 (53.5%) | 91 (50.3%) |
| Blood absolute eosinophil count >300 cells/μL | 20 (26.7%) | 15 (20.3%) | 1 (6.7%) | 23 (24.2%) | 21 (24.4%) | 44 (24.3%) |
Abbreviations: FEV1, forced expiratory volume in one second; FVC, forced vital capacity; GOLD, Global Initiative for Chronic Obstructive Lung Disease; RCC, respiratory care center; WBC, white blood count.