Table 2.
Patient demographics stratified by CKD stage, N = 860a
| Characteristics | Normal kidney function (N = 258) | CKD stage 1 (N = 34) | CKD stage 2 (N= 122) | CKD stage 3a (N= 246) | CKD stage 3b (N = 133) | CKD stage 4 (N= 67) |
|---|---|---|---|---|---|---|
| Mean age, years (SD) | 72.6 (6.7) | 70.6 (4.8) | 73.6 (7.3) | 74.5 (6.3) | 75.7 (7.2) | 76.3 (7.2) |
| Female, n (%) | 158 (61.2) | 13 (38.2) | 54 (44.3) | 132 (53.7) | 76 (57.1) | 34 (50.7) |
| Weight, kg (SD) | 76.6 (16.9) | 79.9 (23.4) | 76.6 (17.2) | 78.6 (17.2) | 79.1 (16.5) | 80.8 (15.1) |
| Height, cm (SD) | 167.0 (10.7) | 169.1 (9.3) | 166.8 (10.4) | 166.8 (10.5) | 167.0 (9.7) | 167.2 (12.1) |
| Waist circumference, cm (SD) | 95.5 (15.3) | 97.3 (18.5) | 95.1 (15.4) | 97.5 (13.7) | 98.6 (13.3) | 100.8 (12.7) |
| Hip circumference, cm (SD) | 105.8 (11.1) | 102.4 (10.5) | 104.1 (9.7) | 107.0 (9.9) | 108.4 (11.1) | 109.2 (11.3) |
| BMI, kg/m2 (SD) | 27.4 (5.8) | 27.6 (6.6) | 27.7 (7.7) | 28.4 (9.1) | 28.3 (5.4) | 29.3 (8.3) |
|
| ||||||
| Ethnicity, n (%) | ||||||
| White | 254 (98.4) | 34 (100.0) | 120 (98.4) | 239 (97.2)b | 132 (99.2) | 66 (98.5) |
| Other | 4 (1.6) | – | 2 (1.6) | 6 (2.4) | 1 (0.8) | 1 (1.5) |
a
One participant with CKD stage 5 not included.
b
Data missing for one patient. BMI = body mass index. CKD = chronic kidney disease. SD = standard deviation.