Table 3.

Estimated beta coefficients and their standard errors (SE) for the final Cox proportional hazards model

	Coefficient	SE	p value
Continuous variables
Age	0.040	0.004	< 0.0001
BMI	− 0.047	0.006	< 0.0001
Creatinine	0.001	0.001	< 0.05
Haemoglobin	− 0.006	0.001	< 0.0001
FEV1	− 0.433	0.078	< 0.0001
Categorical variables
Asthma	− 0.155	0.057	< 0.01
Atrial fibrillation	0.450	0.077	< 0.0001
No CKD	− 0.314	0.143	< 0.05
Current smoker	0.179	0.061	< 0.05
Dementia	0.391	0.137	< 0.01
Female	− 0.331	0.069	< 0.0001
Hospitalisations
1–2/year	0.517	0.081	< 0.0001
> 2/year	0.980	0.181	< 0.0001
Low albumin	0.531	0.089	< 0.0001
Lung cancer	1.063	0.135	< 0.0001
Lung fibrosis	0.794	0.219	< 0.0001
MRC
2	0.577	0.130	< 0.0001
3	0.890	0.133	< 0.0001
4	1.599	0.142	< 0.0001
Platelets
Normal	− 0.394	0.131	< 0.01
High	− 0.208	0.161	> 0.05
Stroke	0.235	0.097	< 0.05