OR for WHO CPS score for asthma, COPD and smoking across levels of age
| Asthma | COPD | Smoking | ||||
| Age (years) | OR | P value | OR | P value | OR | P value |
| 20 | 1.51 (0.76 to 2.99) | 0.232 | 3.40 (0.59 to 19.66) | 0.170 | 0.07 (0.02 to 0.26) | <0.001 |
| 30 | 1.23 (0.72 to 2.11) | 0.444 | 2.87 (0.68 to 12.22) | 0.153 | 0.12 (0.05 to 0.33) | <0.001 |
| 40 | 1.00 (0.66 to 1.51) | 0.982 | 2.42 (0.77 to 7.65) | 0.131 | 0.20 (0.10 to 0.42) | <0.001 |
| 50 | 0.81 (0.58 to 1.13) | 0.231 | 2.04 (0.86 to 4.84) | 0.104 | 0.34 (0.20 to 0.58) | <0.001 |
| 60 | 0.66 (0.48 to 0.92) | 0.004 | 1.72 (0.94 to 3.15) | 0.077 | 0.56 (0.34 to 0.93) | 0.024 |
| 70 | 0.54 (0.37 to 0.80) | 0.013 | 1.45 (0.95 to 2.23) | 0.088 | 0.93 (0.50 to 1.74) | 0.817 |
| 80 | 0.44 (0.26 to 0.74) | 0.002 | 1.23 (0.78 to 1.92) | 0.375 | 1.54 (0.66 to 3.59) | 0.321 |
OR and 95% CIs calculated from ordered logistic regression model adjusting for age, sex, race, asthma, age × asthma, COPD, age × COPD, smoking, age × smoking, body mass index, coronary artery disease, heart failure, hypertension, diabetes and chronic kidney disease.
COPD, chronic obstructive pulmonary disease; WHO CPS, WHO Clinical Progression Scale.