Table 3.
Patient characteristics at the time of code assignment for the different coding algorithms
| Patient characteristics | OHIP Dx 593 or 753 | ICD-10 Q611, Q612 or Q613 | ICD-10 Q611, Q612 or Q613 or OHIP Dx 753 or 593 |
|---|---|---|---|
| (n = 587) | (n = 206) | (n = 594) | |
| Age (years), mean ± SD | 36 ± 16 | 41 ± 17 | 36 ± 16 |
| Female, n (%) | 330 (56.2) | 121 (58.7) | 333 (56.1) |
| ADG score, mean ± SD | 10.4 ± 4.0 | 12.5 ± 3.9 | 10.2 ± 4.0 |
| 0–2, n (%) | 19 (3.3) | 10 (4.9)b | 22 (3.7) |
| 3–5, n (%) | 48 (8.2) | 50 (8.4) | |
| >6, n (%) | 520 (88.6) | 196 (95.1) | 522 (87.9) |
| End-stage renal disease, n (%)a | 37 (6.3) | 48 (23.3) | 36 (6.1) |
| Hypertension, n (%) | 234 (39.9) | 118 (57.3) | 232 (39.1) |
| Kidney function, n (%) with | 133 (22.7) | 32 (15.5) | 133 (22.4) |
| Most recent serum creatinine (µmol/L), mean ± SD | 104.6 ± 92.72 | 249.5 ± 241.4 | 105.8 ± 93.2 |
| Most recent eGFR (mL/min/1.73 m2), mean ± SD | 84.9 ± 31.6 | 55.7 ± 48.2 | 84.0 ± 31.9 |
| Chronic kidney disease stage, n (%) | |||
| ≥60 mL/min/1.73 m2 | 105 (78.9) | 13 (40.6) | 103 (77.4) |
| <60 mL/min/1.73 m2 | 28 (21.0) | 19 (59.4) | 30 (22.6) |
a
End-stage renal disease is defined as patients on chronic dialysis in the past 1 year or patients who received a kidney transplantation in the past 5 years.
b
Cells are suppressed to ensure that individuals cannot be re-identified, as per ICES privacy policies.