The prognostic value of measurement of high-sensitive cardiac troponin T for mortality in a cohort of stable chronic obstructive pulmonary disease patients

Table 2 Mortality rates (MR) by relevant categorical covariates

Covariate	m (MR)	RR	p-value*
Covariate	m (MR)	RR	unadjusted	Age-adjusted
Age, years		1.81	0.002	-
< 62	8 (2.6)
62–66	12 (4.2)
≥ 67	27 (8.7)
Gender		1.30	0.416	0.379
Male	19 (4.5)
Female	28 (5.8)
Current smoking		0.93	0.864	0.768
Yes	11 (4.9)
No	36 (5.3)
Hypertension		1.14	0.658	0.936
Yes	19 (5.6)
No	28 (5.0)
Diabetes		2.94	0.007	0.011
Yes	6 (14.1)
No	41 (4.8)
GOLD class		2.95	0.002	0.004
I–II	10 (2.5)
III–IV	37 (7.4)
PaO2 < 8 kPa		1.65	0.134	0.336
Yes	12 (7.7)
No	35 (4.7)
Pathologic Q-wave		2.39	0.028	0.071
Yes	7 (11.6)
No	40 (4.9)
Antiplatelet therapy		0.81	0.690	0.791
Yes	4 (4.3)
No	43 (5.3)
Leucocytes ≥ 7 × 10⁹/L		2.52	0.004	0.003
Yes	34 (7.4)
No	13 (2.9)
Heart rate >71 per min		2.48	0.004	0.004
Yes	34 (7.3)
No	13 (2.9)
Systolic blood pressure >140 mmHg		1.33	0.583	0.999
No	6 (4.1)
Yes	41 (5.4)
GFR		0.40	0.008	0.025
< 45 mL/min	4 (24.5)
45–60 mL/min	8 (6.4)
> 60 mL/min	35 (4.6)
6MWD < 450 m		3.63	<0.001	0.002
Yes	35 (8.7)
No	12 (2.4)
mMRC > 2		2.17	0.015	0.012
Yes	33 (7.0)
No	14 (3.2)

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