Table 1 Clinical characteristics of the study participants.

From: Increased levels of oral Streptococcus-derived d-alanine in patients with chronic kidney disease and diabetes mellitus

Characteristic

Healthy controls

Patients with CKD (n = 25)

Patients on HD (n = 29)

p value

Without DM

With DM

Without DM

With DM

N

12

14

11

16

13

Ā 

Sex (male, %)

100

36

64

25

8

0.001

Age

33.5 ± 13.5

62.5 ± 16.2

64.8 ± 10.4

50.8 ± 14.7

64.6 ± 12.0

 < 0.0001

Height (cm)

171.0 ± 4.1

158.3 ± 12.7

159.3 ± 7.3

165.8 ± 5.7

166.8 ± 9.6

0.020

Weight (kg)

63.2 ± 7.8

60.8 ± 15.9

69.9 ± 15.4

59.6 ± 10.4

64.2 ± 13.8

0.325

Body mass index (kg/m2)

21.6 ± 2.4

24.0 ± 4.2

27.8 ± 7.2

21.6 ± 3.3

23.0 ± 3.8

0.005

Creatinine (mg/dL)

0.9 ± 0.1

3.3 ± 2.1

2.9 ± 1.3

Renal death (13.0 ± 5.5)

Renal death (8.6 ± 6.8)

 < 0.0001

eGFR (mL/min/1.73 m2)

81.7 ± 14.6

20.3 ± 16.1

21.0 ± 10.5

Renal death (4.0 ± 1.3)

Renal death (12.9 ± 15.5)

 < 0.0001

HbA1c (NGSP) (%)

Ā 

N/A

6.3 ± 0.9

Ā Ā Ā 

Glycoalbumin (%)

Ā Ā Ā 

N/A

20.0 ± 3.3

Ā 

Systolic blood pressure (mmHg)

121.5 ± 8.8

140.9 ± 26.4

129.5 ± 18.5

139.5 ± 30.3

149.8 ± 25.4

0.152

Diastolic blood pressure (mmHg)

81.5 ± 8.0

81.8 ± 18.6

73.8 ± 15.8

82.4 ± 17.5

75.5 ± 12.0

0.531

Hemoglobin (g/dL)

15.2 ± 0.5

10.7 ± 1.6

10.3 ± 2.0

10.2 ± 1.3

10.4 ± 1.8

 < 0.0001

Total cholesterol (mg/dL)

189.2 ± 8.8

202.5 ± 56.2

151.8 ± 43.6

151.9 ± 25.2

126.2 ± 19.6

 < 0.0001

HDL cholesterol (mg/dL)

54.6 ± 8.4

52.7 ± 25.7

44.3 ± 11.5

48.9 ± 14.0

36.0 ± 8.9

0.068

Coronary artery disease (%)

0

0

9

6

15

0.446

Stroke (%)

0

7

0

6

8

0.803

Smoking habit (%)

8

57

73

38

38

0.020

  1. Values are presented as the mean ± SD or %.
  2. CKD chronic kidney disease, DM diabetes mellitus, eGFR estimated glomerular filtration rate, HD hemodialysis, HDL high-density lipoprotein, N/A not available.