Table 1 Demographic and clinical data.

From: Genetic and clinical characteristics of Japanese cystinuria with exon and exon–intron boundary variants

Characteristic

Value

Number of patients (N)

101

Median age at presentation (years) (range)

17.0 (0–58)

Less than 10 years/teen age/20 s/30 s and over

38/24/25/13(%)

Male

17.0 (0–48)

Female

16.5 (0–58)

Sex

male (N = 65)/ female (N = 36)

Family Histroy (1st sibling/2nd sibling)

29% (19%/10%)

Ethnicity: Japanese

100%

Median age at follow-up (years)

33.0 (0.3–78.0)

Median time from initial symptoms to follow-up (years)

14.0 (0.0–56.0)

Cystine (μmol/day)

1745.7 (184.6—5303.4)

Ornithine (μmol/day)

2044.3 (205.2—7471.7)

Lysine (μmol/day)

8646.7 (536.9—36961.6)

Arginine (μmol/day)

3334.2 (96.3—12096.0)