Table 4. Prevalence of reduced eGFR (<60 mL/min/1.73 m2) based on the five equations, stratified by age group and sex*.
| Age (yr) | Number (%) of subjects with reduced eGFR by each equation | ||
|---|---|---|---|
| Total (n = 1,482) | Male (n = 725) | Female (n = 757) | |
| MDRD | |||
| 30–39 | 6 (2.2) | 2 (1.6) | 4 (2.7) |
| 40–49 | 17 (4.1) | 8 (3.5) | 9 (4.9) |
| 50–59 | 46 (10.6) | 21 (10.7) | 25 (10.6) |
| 60–69 | 45 (15.6) | 17 (12.4) | 28 (18.4) |
| 70–79 | 25 (33.8) | 10 (27.8) | 15 (39.4) |
| Total | 139 (9.4) | 58 (8.0) | 81 (10.7) |
| LMrevised | |||
| 30–39 | 2 (0.7) | 1 (0.8) | 1 (0.7) |
| 40–49 | 6 (1.5) | 2 (0.9) | 4 (2.2) |
| 50–59 | 24 (5.6) | 17 (8.7) | 7 (3.0) |
| 60–69 | 53 (18.3) | 29 (21.2) | 24 (15.8) |
| 70–79 | 34 (45.9) | 16 (44.4) | 18 (47.4) |
| Total | 119 (8.0) | 65 (9.0) | 54 (7.1) |
| CKD-EPICr | |||
| 30–39 | 2 (0.7) | 1 (0.8) | 1 (0.7) |
| 40–49 | 6 (1.5) | 2 (0.9) | 4 (2.2) |
| 50–59 | 16 (3.7) | 9 (4.6) | 7 (3.0) |
| 60–69 | 34 (11.8) | 17 (12.4) | 17 (11.2) |
| 70–79 | 25 (33.8) | 10 (27.8) | 15 (39.5) |
| Total | 83 (5.6) | 39 (5.4) | 44 (5.8) |
| CKD-EPICysC | |||
| 30–39 | 2 (0.7) | 0 (0.0) | 2 (1.4) |
| 40–49 | 1 (0.2) | 1 (0.4) | 0 (0.0) |
| 50–59 | 7 (1.6) | 5 (2.6) | 2 (0.8) |
| 60–69 | 14 (4.8) | 9 (6.6) | 5 (3.3) |
| 70–79 | 11 (14.9) | 7 (19.4) | 4 (10.5) |
| Total | 35 (2.4) | 22 (3.0) | 13 (1.7) |
| CKD-EPICr-CysC | |||
| 30–39 | 2 (0.7) | 1 (0.8) | 1 (0.7) |
| 40–49 | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| 50–59 | 7 (1.6) | 7 (3.6) | 0 (0.0) |
| 60–69 | 15 (5.2) | 9 (6.6) | 6 (3.9) |
| 70–79 | 15 (20.3) | 7 (19.4) | 8 (21.1) |
| Total | 39 (2.6) | 24 (3.3) | 15 (2.0) |
*GFR categories G3a-G5 correspond to GFR <60 mL/min/1.73 m2.
Abbreviations: See Table 1.