Table 2.

Baseline characteristics of individuals with CKD, by First Nations status

CharacteristicNon–First Nation (n = 106,511)First Nations (n = 1182)Pa
Age (yr; median [IQR])71 (60 to 80)60 (50 to 70)<0.0001
Female (%)67,741 (63.6)743 (63.0)NS
eGFR (median [IQR])52 (44 to 57)50 (38 to 56)<0.0001
eGFR stage (ml/min per 1.73 m2; %)<0.0001
    30 to 5999,594 (93.5)1014 (85.8)
    15 to 295907 (5.6)105 (8.9)
    <151010 (1.0)63 (5.4)
Diabetes (%)19,929 (18.7)500 (42.3)<0.0001
Household income level (%)b<0.0001
    first quintile (lowest)20,613 (20.1)566 (53.7)
    second quintile20,948 (20.5)198 (18.8)
    third quintile21,231 (20.7)143 (13.6)
    fourth quintile18,931 (18.5)73 (7.0)
    fifth quintile (highest)20,634 (20.2)74 (7.0)
Rural residence (%)14,208 (13.3)550 (46.5)<0.0001
  • a Rank-sum test was performed when comparing medians; χ2 when comparing proportions.

  • b Sample size = 103,411.