Table 3.

CAR level and risk of all-cause death of CTO-PCI patients, stratified by various baseline characteristics.

Characteristics	CAR-L	CAR-M	CAR-H	Interaction P-Value
Age
<65 y	1 (Reference)	1.31 (0.35-4.89), p = 0.687	1.87 (0.55–6.41), p = 0.317	0.244
≥65 y	1 (Reference)	1.03 (0.42–2.54), p = 0.950	3.40 (1.58–7.28), p = 0.002
Sex
Male	1 (Reference)	1.28 (0.57–2.89), p = 0.545	2.86 (1.42–5.77), p = 0.003	0.608
Female	1 (Reference)	0.83 (0.12–5.90), p = 0.853	4.25 (0.88–20.63), p = 0.072
Smoking
Yes	1 (Reference)	1.35 (0.53–3.44), p = 0.524	2.43 (1.03–5.76), p = 0.044	0.417
No	1 (Reference)	0.88 (0.25–3.03), p = 0.835	3.70 (1.39–9.87), p = 0.009
Diabetes mellitus
Yes	1 (Reference)	0.89 (0.29–2.78), p = 0.843	1.92 (0.74–4.99), p = 0.183	0.466
No	1 (Reference)	1.52 (0.54–4.28), p = 0.431	4.46 (1.79–11.10), p = 0.001
Hypertension
Yes	1 (Reference)	1.53 (0.56–4.16), p = 0.409	2.53 (1.04–6.17), p = 0.042	0.388
No	1 (Reference)	0.91 (0.29–2.82), p = 0.871	3.40 (1.36–8.52), p = 0.009
LDL
≥2.46 mmol/l	1 (Reference)	1.09 (0.26–4.53), p = 0.903	1.98 (0.59–6.59), p = 0.266	0.074
<2.46 mmol/l	1 (Reference)	1.09 (0.42–2.83), p = 0.859	3.88 (1.74–8.63), p = 0.001
HDL
>1.04 mmol/l	1 (Reference)	0.69 (0.17–2.91), p = 0.616	2.42 (0.81–7.24), p = 0.115	0.942
< =1.04 mmol/l	1 (Reference)	1.14 (0.45–2.90), p = 0.780	3.07 (1.37–6.88), p = 0.006
TG
≥1.68 mmol/l	1 (Reference)	0.87 (0.23–3.25), p = 0.837	1.44 (0.47–4.42), p = 0.522	0.116
<1.68 mmol/l	1 (Reference)	1.06 (0.41–2.77), p = 0.902	3.92 (1.73–8.91), p = 0.001

CAR, C-reactive protein to albumin ratio; BMI, body mass index; MI, myocardial infarction; DBP, diastolic blood pressure; SBP, systolic blood pressure; LDL, Low-density lipoprotein; HDL, High-density lipoprotein; hsCRP, high sensitivity C-reactive protein; LVEF, left ventricular ejection fraction; CK-MB, creatine kinase isoenzymes MB; pro-BNP, pro-B-type natriuretic peptide; TSH, thyroid stimulating hormone; ACEI, angiotensin-converting enzyme inhibition; ARB, angiotensin receptor blocker.