Table 2.
Multivariable analysis for change in SpO2
β unadjusted (95% CI) | p value | β adjusted (95% CI) | p value | |
---|---|---|---|---|
Change atmospheric pressure | 0.006 (0.004–0.008) | < 0.001 | 0.006 (0.005–0.008) | < 0.001 |
Age | 0.002 (0.000–0.005) | 0.1 | 0.002 (0.000–0.005) | 0.09 |
Sex | ||||
Woman | Reference | |||
Men | − 0.022 (− 0.078–0.035) | 0.4 | − 0.012 (− 0.071–0.047) | 0.7 |
Smoking | ||||
No currently | Reference | |||
Yes | 0.083 (− 0.003–0.169) | 0.06 | 0.067 (− 0.024–0.158) | 0.2 |
Asthma | ||||
No | Reference | |||
Yes | 0.049 (− 0.040–0.139) | 0.3 | 0.026 (− 0.072–0.124) | 0.6 |
COPD | ||||
No | Reference | |||
Yes | 0.125 (− 0.015–0.264) | 0.08 | − 0.002 (− 0.126–0.158) | 1.0 |
Heart attack | ||||
No | Reference | |||
Yes | 0.017 (− 0.113–0.147) | 0.8 | 0.014 (− 0.125–0.153) | 0.8 |
mMRC ≥ 2 | ||||
No | Reference | |||
Yes | 0.211 (0.083–0.339) | 0.001 | 0.183 (0.039–0.327) | 0.01 |
Reduced lung function | ||||
No | Reference | |||
Yes | 0.084 (0.001–0.166) | 0.05 | 0.049 (− 0.042–0.140) | 0.3 |
Airway infection visit 2 | ||||
No | Reference | |||
Yes | − 0.013 (− 0.093–0.067) | 0.7 | − 0.030 (− 0.114–0.054) | 0.5 |