Table 2 Comparison between the Cnm-positive and Cnm-negative IgAN patients.

From: Specific strains of Streptococcus mutans, a pathogen of dental caries, in the tonsils, are associated with IgA nephropathy

Characteristics

Cnm-positive (n = 15)

Cnm-negative (n = 46)

p-value

Age (year; mean ± SD)

39.0 (32.1–45.9)

34.9 (31.5–38.3)

0.2650

Sex (M/F)

9/6

22/24

0.5541

Duration from onset to treatment (year; mean ± SD)

5.2 ± 5.4

7.5 ± 9.4

0.9112

BMI (kg/m2; mean ± SD)

23.5 ± 5.9

21.3 ± 2.7

0.4754

Systolic blood pressure (mmHg; mean ± SD)

116.6 ± 17.1

117.8 ± 17.7

0.6817

Diastolic blood pressure (mmHg; mean ± SD)

70.0 ± 12.5

70.8 ± 13.4

0.7779

Serum albumin (g/dL; mean ± SD)

3.8 ± 0.4

4.1 ± 0.3

0.0256

Serum total cholesterol (mg/dL; mean ± SD)

216.7 ± 82.2

193.3 ± 28.9

0.5082

Serum LDL cholesterol (mg/dL; mean ± SD)

140.1 ± 83.7

111.9 ± 22.7

0.3461

Serum triglyceride (mg/dL; mean ± SD)

179.2 ± 167.7

104.8 ± 58.3

0.0789

Serum creatinine (mg/dL; mean ± SD)

0.8 ± 0.2

0.7 ± 0.1

0.1472

eGFR (mL/min/1.73 m2; mean ± SD)

75.5 ± 18.0

85.4 ± 19.5

0.1067

Serum IgA (mg/dL; mean ± SD)

350.1 ± 123.6

338.0 ± 117.9

0.4460

% Urinary protein 1.5 g/gCr or higher

26.6

4.3

0.0280

Urinary RBC score (0~3; mean ± SD)

2.1 ± 0.7

1.9 ± 0.8

0.4649

  1. BMI: body mass index, eGFR: estimated glomerular filtration rate. SD: standard deviation,
  2. RBC: red blood cell, LDL: low-density lipoprotein
  3. Bold values indicate statistical significance at p < 0.05.