Prognosis | Tertiles of blood Cd | P | ||
---|---|---|---|---|
Tertile 1 (< 0.367 ppm) | Tertile2 (0.367 ~ 1.102 ppm) | Tertile 3 (> 1.102 ppm) | ||
Acute exacerbation (n) | 2.7 ± 0.51 | 2.2 ± 0.45 | 4.7 ± 0.65 |  < 0.001 |
Hospitalization (n) | 1.3 ± 0.28 | 1.2 ± 0.23 | 3.7 ± 0.68 |  < 0.001 |
Hospital stays (day) | 2.6 ± 0.44 | 2.3 ± 0.36 | 4.8 ± 0.60 |  < 0.001 |
Death (n) | 15 (23.1) | 13 (20.0) | 25 (37.9) | 0.048 |