Table 2.

Factors of lung cancers by using Cox regression model.

Variables	Crude HR	95% CI	95% CI	P	Adjusted HR	95% CI	95% CI	P
AChEI (reference: without)	1.240	0.792	1.798	0.198	1.198	0.765	1.774	0.167
Age ≥ 65 (reference: age of 50–64)	1.524	1.165	1.823	< 0.001	1.498	1.124	1.798	< 0.001
Pneumonia (reference: without)	2.501	2.134	2.801	< 0.001	2.495	2.101	2.786	< 0.001
Bronchiectasis (reference: without)	1.776	1.254	2.148	< 0.001	1.754	1.241	2.131	< 0.001
Pneumoconiosis (reference: without)	2.345	1.955	2.794	< 0.001	2.284	1.925	2.765	< 0.001
PAP (reference: without)	1.731	1.213	2.124	< 0.001	1.724	1.201	2.111	< 0.001
Hypertension (reference: without)	1.848	1.364	2.124	< 0.001	1.842	1.345	2.097	< 0.001
Stroke (reference: without)	1.767	1.303	2.048	< 0.001	1.752	1.289	2.035	< 0.001
Coronary artery disease (reference: without)	1.772	1.296	2.010	< 0.001	1.722	1.264	1.999	< 0.001
Diabetes mellitus (reference: without)	1.598	1.134	1.995	< 0.001	1.579	1.124	1.986	< 0.001
Chronic kidney disease (reference: without)	2.341	1.598	2.685	< 0.001	2.297	1.583	2.674	< 0.001
Depression (reference: without)	1.682	1.168	1.989	< 0.001	1.591	1.154	1.984	< 0.001
Anxiety (reference: without)	1.703	1.203	2.024	< 0.001	1.687	1.197	2.015	< 0.001
Smoking-related diseases (reference: without)	1.099	1.037	1.134	0.017	1.095	1.033	1.129	0.014
Dementia (reference: without)	1.089	1.026	1.129	0.024	1.087	1.024	1.124	0.026
CCI_R	1.127	1.103	1.149	< 0.001	1.124	1.101	1.145	< 0.001
Medical center (reference: local hospital)	1.602	1.131	2.005	< 0.001	1.598	1.128	1.986	< 0.001
Regional hospital (reference: local hospital)	1.467	1.108	1.996	< 0.001	1.451	1.105	1.973	< 0.001

HR hazard ratio, CI confidence interval, Adjusted HR Adjusted variables listed in the table 1, AChEI acetylcholinesterase inhibitors, CCI_R Charlson Comorbidity Index, dementia removed, PAP pulmonary alveolar pneumonopathy.