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Table 1 Clinical characteristics of all the patients by Hp genotype

From: Mendelian randomization analysis to assess a causal effect of haptoglobin on macroangiopathy in Chinese type 2 diabetes patients

Variable

Hp 1-1

Hp 1-2

Hp 2-2

Hp 1-del

Hp 2-del

Hp del–del

P value

N

377

2027

2834

133

306

10

–

Age (years)

60.71 ± 11.41

59.21 ± 12.21

59.86 ± 12.27

61.10 ± 11.53

58.52 ± 13.59

57.83 ± 9.17

0.0880

Male/female (n)

217/160

1110/917

1493/1341

80/53

173/133

5/5

0.1154

BMI (kg/m2)

24.71 ± 3.31

24.94 ± 5.52

24.69 ± 3.64

24.83 ± 3.26

24.67 ± 3.80

24.85 ± 1.87

0.5326

Diastolic blood pressure (mmHg)

80 (70, 86)

80 (75, 88)

80 (75, 88)

80 (70, 90)

80 (75, 85)

80 (70, 85)

0.1924

Systolic blood pressure (mmHg)

130 (120, 141)

130 (120, 140)

130 (120, 142)

130 (120, 145)

130 (120, 140)

120 (120, 140)

0.6499

Duration of diabetes (years)

7 (3, 12)

8 (3, 12)

8 (3, 13)

10 (4, 14)

9 (2, 13)

7 (3, 12)

0.4813

HbA1c (%) [mmol/mol]

8.8 (7.2, 10.5) [73 (55, 91)]

8.7 (7.3, 10.4) [72 (56, 90)]

8.6 (7.1, 10.4) [71 (54, 90)]

8.4 (6.9, 10.1) [68 (52, 87)]

8.8 (7.3, 10.4) [73 (56, 90)]

9.1 (6.9, 9.9) [76 (52, 85)]

0.6758

HDL-C (mmol/L)

1.07 (0.89, 1.29)

1.07 (0.90, 1.29)

1.09 (0.92, 1.30)

1.09 (0.91, 1.30)

1.10 (0.91, 1.27)

1.17 (1.09, 1.30)

0.0931

LDL-C (mmol/L)

2.86 (2.31, 3.41)

2.89 (2.31, 3.45)

2.97 (2.42, 3.58)

2.92 (2.34, 3.68)

3.08 (2.43, 3.81)

3.10 (2.33, 3.51)

< 0.0001

Total cholesterol (mmol/L)

4.60 (3.87, 5.40)

4.60 (3.94, 5.30)

4.70 (4.10, 5.47)

4.67 (4.00, 5.50)

4.80 (4.18, 5.63)

4.82 (3.60, 5.30)

< 0.0001

Triglycerides (mmol/L)

1.41 (0.98, 2.10)

1.41 (0.96, 2.13)

1.44 (1.00, 2.13)

1.49 (0.97, 1.88)

1.47 (1.00, 2.01)

1.17 (1.09, 1.36)

0.5292

Macroangiopathy disease

296 (78.51%)

1471 (72.57%)

2052 (72.41%)

105 (78.95%)

222 (72.55%)

7 (70.00%)

0.0793

  1. Data are shown as n or mean ± standard deviation or median (interquartile range)
  2. Hp haptoglobin, BMI body mass index, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol
  3. P values indicate the significance of differences among common Hp genotypes and clinical traits in subjects without the Hp del allele. P < 0.05 are shown in italics