Table 1.

Characteristics of cohort by dialysis modality at 90 d after first RRTa

CharacteristicHD (n = 14,733; 39,163 person-years)PD (n = 10,554; 28,857 person-years)P
Person-years on PD (from day 90)2481 (6%)20,860 (72%)
Modality at day 0 (among those on PD or HD at day 90)14,353 HD (97%)7042 (67%) PD
Age (yr; median [IQR])59.2 (46.6 to 69.9)61.1 (48.8 to 69.8)<0.001
BMI1461 (10%)1131 (11%)<0.001
    underweight5326 (36%)4055 (38%)
    normal4605 (31%)3401 (32%)
    overweight3341 (23%)1967 (19%)
    obese
Male9189 (62%)5574 (53%)<0.001
CAD5416 (37%)4282 (41%)<0.001
Diabetes<0.001
    type 1484 (4%)595 (6%)
    type 24398 (30%)3380 (32%)
Chronic lung disease2220 (15%)1568 (15%)0.600
Current cigarette smoking (at time of RRT start)2082 (14%)1328 (13%)<0.001
Cerebrovascular disease1933 (13%)1641 (16%)<0.001
Peripheral vascular disease3480 (24%)3027 (29%)<0.001
Late referral3736 (25%)2420 (23%)<0.001
Indigenous
    ATSI1275 (9%)567 (5%)<0.001
    Maori/PI1093 (7%)1409 (13%)
Serum creatinine (quartiles at RRT start)b<0.001
    <5812594 (27%)1883 (31%)
    581 to 7502475 (25%)1688 (28%)
    751 to 9502398 (25%)1362 (22%)
    ≥9512321 (24%)1144 (19%)
Serum creatinine (μmol/L)c673 (667 to 679)644 (638 to 651)<0.001
eGFR (ml/min per 1.73 m2)d7.10 (7.03 to 7.18)7.27 (7.17 to 7.37)<0.010
  • a ATSI, Aboriginal and Torres Strait Islander; eGFR, estimated GFR; IQR, interquartile range; PI, Pacific Islander.

  • b Only for those who started RRT from April 1, 1998; n = 15865 with reported creatinine.

  • c Harmonic mean.

  • d Arithmetic mean.