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Table 1 Baseline characteristics of study participants according to the presence or absence of lower limb amputation

From: Rates and risk factors for amputation in people with diabetes in Japan: a historical cohort study using a nationwide claims database

Characteristic cardiovascular manifestation in FH Kawaguchi et al. Am Heart J 1999

Lower limb amputation

P-value

(−)

(+)

n = 17,272

n = 16

Age (years)

50 ± 8

54 ± 10

0.025

≥60 (%)

2137(12)

6 (38)

0.002

Sex (men, %)

14,322 (83)

14 (88)

0.630

BMI (kg/m2)

26.1 ± 4.6

25.7 ± 5.4

0.768

SBP (mmHg)

130 ± 17

134 ± 25

0.556

DBP (mmHg)

80 ± 11

75 ± 14

0.050

HbA1c (%)

7.2 ± 1.4

8.3 ± 2.1

0.054

HbA1c IFCC (mmol/mol)

55 ± 16

67 ± 23

0.054

HbA1c ≥8.0 (%)

3542(21)

8 (50)

0.004

LDL-cholesterol (mmol/L)

3.3 ± 0.9

3.6 ± 1.5

0.449

HDL-cholesterol (mmol/L)

1.4 ± 0.4

1.4 ± 0.4

0.546

Current smoking (%)

6498 (38)

7 (44)

0.613

  1. Data are presented as n (%), mean ± SD. BMI body mass index, HbA1c IFCC glycated hemoglobin, International Federation of Clinical Chemistry and Laboratory Medicine units, SBP systolic blood pressure, DBP diastolic blood pressure, LDL-C low-density lipoprotein-cholesterol, HDL-C high-density lipoprotein-cholesterol