AECOPD adjusted by age | | | |
Age (years) | | | <0.001 |
<65 | Reference | – | |
65–74 | 1.62 | 0.80 to 3.25 | |
⩾75 | 4.52 | 2.31 to 8.83 | |
AECOPD groups | | | <0.001 |
Group A | Reference | – | |
Group B | 1.93 | 1.27 to 2.93 | |
Group C | 3.64 | 2.22 to 5.98 | |
| | | |
AECOPD adjusted by FEV1% | | | |
FEV1% (predicted) | 0.99 | 0.97 to 0.99 | 0.028 |
AECOPD groups | | | <0.001 |
Group A | Reference | – | |
Group B | 2.08 | 1.33 to 3.25 | |
Group C | 3.45 | 1.99 to 5.99 | |
| | | |
AECOPD adjusted by Pao2/Fio2 | | | |
Pao2/Fio2 | 0.99 | 0.990 to 0.997 | <0.001 |
AECOPD groups | | | <0.001 |
Group A | Reference | – | |
Group B | 2.12 | 1.37 to 3.29 | |
Group C | 3.69 | 2.18 to 6.25 | |
| | | |
AECOPD adjusted by LTOT | | | |
LTOT | 2.72 | 1.84 to 4.02 | <0.001 |
AECOPD groups | | | |
Group A | Reference | – | <0.001 |
Group B | 1.74 | 1.14 to 2.67 | |
Group C | 2.92 | 1.74 to 4.88 | |