From: Processing speed is affected by early impairment in kidney function in the general elder population
Variable | Participants included in the study classified by eGFR | All participants included in the study | Individuals not included in the study | |||
---|---|---|---|---|---|---|
eGFR unchanged < 60 from baseline to 6 year follow up | eGFR unchanged from >= 60 from baseline to 6 year follow up | Excluded due to transition from eGFR <60 to >=60 from baseline to follow up or vice versa | Lost to follow up | Excludeda | ||
Number | 196 | 709 | 905 | 128 | 1099 | 799 |
Age (mean) | 78.45 (SD 7.95) | 64.65 (SD 5.82) | 67.64 (SD 8.52) | 71.98 (SD 8.15) | 78.67 (SD 10.47) | 70.29 (SD 9.68) |
Sex | ||||||
Women | 67.9 % | 50.8 % | 54.5 % | 51.6 % | 56.4 % | 57.2 % |
Men | 32.1 % | 49.2 % | 45.5 % | 48.4 % | 43.6 % | 42.8 % |
Education | ||||||
≤ fulfilled elementary school | 62.2 % | 43.6 % | 47.6 % | 63.3 % | 61.0 % | 54.5 % |
fulfilled secondary school | 27.0 % | 30.3 % | 29.6 % | 18.8 % | 27.1 % | 26.9 % |
≥ year of higher education | 10.7 % | 26.1 % | 22.8 % | 18.0 % | 11.9 % | 18.7 % |
Hypertension | 44.4 % | 18.8 % | 24.3 % | 31.3 % | 37.1 % | 25.9 % |
Diabetes | 11.7 % | 5.5 % | 6.9 % | 9.4 % | 10% | 5.5 % |
Smoking habits | ||||||
Active smoker | 11.2 % | 21.2 % | 19.0 % | 12.5 % | 15.1 % | 17.2 % |
Former smoker | 34.2 % | 40.6 % | 39.2 % | 44.5 % | 37.0 % | 36.4 % |
Never smoked | 54.6 % | 38.2 % | 41.8 % | 43.0 % | 48.0 % | 46.4 % |
eGFR (mean) | 48.44 (SD 9.15) | 80.90 (SD 11.48) | 73.87 (SD 17.33) | 66.28 (SD 8.58) | 56.72 (SD 20.34) | 70.15 (SD 17.76) |
eGFR (median) | 50.57 (Q1 43.16, Q3 55.95) | 79.52 (Q1 72.24 , Q3 88.82) | 76.02 (Q1 62.97, Q3 86.32) | 64.76 (Q1 60.57, Q3 70.90) | 55.31 (Q1 41.92, Q3 71.03) | 71.89 (Q1 57.41, Q3 82.96) |