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Table 1 Baseline characteristics for patient strata according to quartiles of BNP.

From: B-type natriuretic peptide and high sensitive C-reactive protein predict 2-year all cause mortality in chest pain patients: a prospective observational study from Salta, Argentina

Quartiles of BNP pg/mL

Characteristics

< 36

36-78

79-180

181-4000

p value

Age; years ± SD

57.9 ± 12.4

60.7 ± 11.5

62.7 ± 13.9

67.4 ± 13.8

0.000

Female n (%)

95(38.8)

96(39.0)

94(38.2)

109(44.5)

0.453

Hypertension n (%)

142(58.0)

157(63.8)

173(70.3)

162(66.1)

0.036

DM n (%)

46 (19.1)

45 (18.4)

43 (17.6)

68(28.3)

0.012

Current Smoker n (%)

90(37.5)

57(23.5)

51(20.9)

41(17.1)

0.000

Past Smoker n (%)

113(47.3)

130(53.9)

140(57.6)

154(64.4)

0.000

Angina Pectoris n (%)

45(18.4)

47(19.1)

68(27.6)

63(25.7)

0.028

CHF n (%)

Killip-Kimball Class 2-4

33(13.5)

44(17.9)

33(13.4)

55(22.4)

0.021

MI n (%)

6(2.4)

21(8.5)

32(13)

35(14.3)

0.000

CABG n (%)

3(1.2)

10(4.1)

14(5.7)

20(8.3)

0.003

PCI n (%)

17(6.9)

23(9.3)

30(12.2)

28(11.4)

0.208

STEMI n (%)

36(14.9)

23(9.5)

40(16.5)

45(18.8)

0.030

TnT Positive n (%)

67(27.5)

65(26.4)

100(40.7)

156(63.7)

0.000

Creatinine n (%)

(above median)

113(46.3)

111(45.1)

118(48.4)

143(58.6)

0.011

Cholesterol/Statin n (%)

31(12.7)

40(16.3)

49(19.9)

40(16.3)

0.191

Beta-blocker n (%)

53(21.9)

50(20.5)

76(31.1)

74(31.1)

0.006

CHD n (%)

56(23.0)

71(29.1)

98(40.0)

99(40.9)

0.000

  1. BNP, brain natriuretic peptide; DM, diabetes mellitus; CHF, congestive heart failure; MI, myocardial infarction; CABG, coronary artery bypass grafting; PCI, percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction; TnT, troponin-T; cholesterol = conc. > 250 mg/dl; CHD, coronary heart disease