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. 2016 May 19;12(2):667–675. doi: 10.3892/etm.2016.3371

Table IX.

Level of serum NT-pro BNP (pg/ml) in patients in the unstable angina group with OD.

OD	N	Log(NT-pro BNP)	95% CI	P-value
Non-OD	57	1.78±0.49	1.65–1.92	<0.001^a
1 OD	102	2.09±0.51^b	1.89–2.38
≥2 OD	43	2.12±0.56^c,d	2.07–2.53

^a

Multivariate analysis of all groups

^b

1 obstructive vessel, vs. non-obstructive vessel, P<0.001

^c

≥2 obstructive vessels, vs. non-obstructive vessel, P=0.022

^d

≥2 obstructive vessels, vs. 1 obstructive vessel, P=0.400. NT-pro BNP, N-terminal pro-B-type natriuretic peptide; OD, obstructive disease; CI, confidence interval.