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Table 1 Baseline Characteristics in AMI Patients Stratified by Baseline Hemoglobin

From: Effect of haemoglobin concentration on the clinical outcomes in patients with acute myocardial infarction and the factors related to haemoglobin

Variable

<100 g/L

(n = 86)

101-110 g/L

(n = 74)

111-120 g/L

(n = 143)

121-130 g/L

(n = 222)

131-140 g/L

(n = 278)

141-150 g/L

(n = 296)

151-160 g/L

(n = 173)

>160 g/L

(n = 122)

p value

Age (year)

74.0 ± 10.2

71.8 ± 11.7

72.2 ± 11.7

67.5 ± 12.2

63.6 ± 12.0

57.9 ± 12.9

52.7 ± 12.3

53.0 ± 11.8

0.000

Gender(female/male)

36/50

29/45

49/94

61/161

43/235

26/270

7/166

5/117

0.000

Hb(g/L)

86.3 ± 12.1

106.3 ± 2.6

115.9 ± 2.8

125.6 ± 2.8

135.6 ± 2.9

145.4 ± 3.0

155.3 ± 2.9

167.7 ± 6.3

0.000

Heart rate(beats/min)

82.3 ± 20.4

81.4 ± 19.3

79.3 ± 16.3

78.4 ± 17.3

77.5 ± 15.2

75.7 ± 13.4

76.7 ± 13.6

78.5 ± 17.8

0.011

Systolic pressure(mmHg)

127.7 ± 25.7

120.9 ± 22.5

126.2 ± 22.9

123.1 ± 21.2

123.9 ± 20.4

123.2 ± 18.9

125.3 ± 18.1

126.4 ± 21.6

0.281

Diastolic pressure(mmHg)

72.7 ± 15.4

69.2 ± 13.0

71.4 ± 14.8

72.1 ± 12.4

73.5 ± 11.6

73.6 ± 12.7

77.6 ± 11.5

77.8 ± 14.9

0.000

Pulse pressure(mmHg)

55.0 ± 17.3

51.7 ± 18.0

54.8 ± 16.4

51.1 ± 16.1

50.4 ± 17.0

49.6 ± 13.9

47.8 ± 13.1

48.7 ± 14.8

0.000

LVEF(%)

48.9 ± 12.0

47.0 ± 12.0

47.5 ± 11.1

49.0 ± 11.1

51.3 ± 11.3

52.2 ± 9.7

52.6 ± 9.1

53.0 ± 10.4

0.000

Albumin (g/L)

32.6 ± 4.6

33.3 ± 4.6

35.7 ± 4.5

36.9 ± 3.9

37.7 ± 4.1

39.7 ± 4.1

41.2 ± 4.0

41.5 ± 4.3

0.000

Creatinine (μmol/L)

139.9 ± 30.8

101.0 ± 71.9

89.4 ± 56.4

81.1 ± 45.7

77.6 ± 26.7

80.0 ± 51.9

71.9 ± 25.0

81.3 ± 48.0

0.000

CK-MB(u/L)

115.9 ± 194.1

113.8 ± 164.5

132.3 ± 171.3

133.5 ± 200.2

148.9 ± 190.6

143.3 ± 216.0

166.8 ± 211.1

173.1 ± 193.1

0.499

TC(mmol/L)

4.5 ± 1.3

4.4 ± 1.1

4.5 ± 1.3

4.5 ± 1.1

4.6 ± 1.1

4.7 ± 1.1

4.8 ± 1.1

4.8 ± 1.3

0.026

TG(mmol/L)

1.6 ± 1.4

1.5 ± 1.0

1.3 ± 0.6

1.5 ± 1.2

1.7 ± 1.0

1.8 ± 1.0

2.0 ± 1.2

2.1 ± 1.3

0.000

HDL-C(mmol/L)

1.2 ± 0.4

1.2 ± 0.3

1.1 ± 0.3

1.2 ± 0.3

1.2 ± 0.6

1.2 ± 0.3

1.1 ± 0.3

1.2 ± 0.3

0.871

LDL-C(mmol/L)

2.6 ± 1.1

2.2 ± 0.8

2.6 ± 1.1

2.6 ± 0.9

2.7 ± 0.9

2.7 ± 0.9

2.8 ± 0.8

2.8 ± 1.1

0.013

  1. TC: total cholesterol; TG: triglyceride; HDL-C: high density lipoprotein cholesterol; LDL-C: low density lipoprotein cholesterol. The data except those in gender item are expressed as mean ± SD.