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Table 2 Baseline characteristics at age 88 of the whole study population and of the subgroups based on the eGFR (calculated by the MDRD equation)

From: Prediction of mortality and functional decline by changes in eGFR in the very elderly: the Leiden 85-plus study

 

all (n=378)

eGFR at age 88 years

p*

≥60 (n=169)

45-59 (n=147)

<45 (n=62)

Socio-demographics

Male sex (%)

113 (30%)

61 (36%)

37 (25%)

15 (24%)

0.03

Low level of education (%)

231 (61%)

95 (56%)

98 (67%)

39 (63%)

0.50

Low income (%)

194 (51%)

81 (49%)

77 (52%)

36 (58%)

0.16

Institutionalised (%)

48 (13%)

20 (12%)

13 (9%)

15 (24%)

0.07

Comorbidity

Diabetes mellitus (%)

48 (13%)

25 (15%)

16 (11%)

7 (11%)

0.42

CVA in history (%)

38 (10%)

16 (10%)

15 (10%)

7 (11%)

0.68

MI in history (%)

36 (10%)

10 (6%)

14 (10%)

12 (19%)

<0.01

Anthropometric and nutrition parameters (mean (SD))

Weight

68 (13)

67 (15)

69 (13)

68 (14)

0.59

Serum Albumin

41 (3)

41 (4)

41 (3)

41 (3

0.06

Functional scores (median (IQR))

MMSE

25 (19-25)

25 (19-27)

26 (21-28)

24 (18-28)

0.30

GDS

2 (0–5)

3 (1-5)

1 (0–3)

2 (1-5)

0.20

ADL

12 (9-17)

13 (9-20)

11 (9-15)

14 (9-16)

0.20

  1. *p was estimated by the Chi square test for categorical parameters, one-way ANOVA for normally distributed parameters and the Kruskal-Wallis test for non-normally distributed parameters.