Table 1 General characteristics of the study population
|  | N = 1420 |
|---|---|
Age, years | 79.5 (77.0–83.0) |
Women | 804 (56.6%) |
Living alone | 337 (23.7%) |
Education, years | 11.0 (8.0–14.0) |
ADL score | 0.0 (0.0–1.0) |
ADL dependent | 55 (3.9%) |
IADL score | 2.0 (0.0–8.0) |
IADL dependent | 590 (41.5%) |
MMSE score | 29.0 (27.0–30.0) |
MMSE < 24 | 104 (7.3%) |
GDS score | 2.0 (1.0–4.0) |
GDS > 5 | 170 (12.0%) |
CIRS-G total score | 7.0 (5.0–11.0) |
CIRS-G severity index | 1.5 (1.2–1.8) |
Number of current medications | 6.0 (4.0–9.0) |
Creatinine, mg/dl | 0.93 (0.78–1.21) |
BIS eGFR, ml/min/1.73 m2 | 56.4 (45.8–64.8) |
  ≥ 90 | 9 (0.6%) |
 60–89 | 538 (37.9%) |
 45–59 | 542 (38.2%) |
 30–44 | 259 (18.2%) |
 15–29 | 72 (5.1%) |
  ≥ 60 | 547 (38.5%) |
  < 60 | 873 (61.5%) |
CKD-EPI eGFR, ml/min/1.73 m2 | 68.4 (52.6–80.7) |
  ≥ 90 | 42 (3.0%) |
 60–89 | 884 (62.3%) |
 45–59 | 247 (17.4%) |
 30–44 | 163 (11.5%) |
 15–29 | 84 (5.9%) |
  ≥ 60 | 926 (65.2%) |
  < 60 | 494 (34.8%) |
FAS eGFR, ml/min/1.73 m2 | 56.8 (44.7–66.5) |
  ≥ 90 | 26 (1.8%) |
 60–89 | 553 (38.9%) |
 45–59 | 480 (33.8%) |
 30–44 | 253 (17.8%) |
 15–29 | 108 (7.6%) |
  ≥ 60 | 579 (40.8%) |
  < 60 | 841 (59.2%) |
ACR, mg/g | 12.6 (4.7–32.8) |
  < 30 | 1037 (73.0%) |
 30–300 | 288 (20.3%) |
  > 300 | 95 (6.7%) |
Anthropometric measurements | |
 height, cm | 162.0 (156.0–170.0) |
 weight, kg | 72.0 (62.7–82.0) |
 BMI, kg/m2 | 27.0 (24.4–30.0) |
BIA parameters | |
 FFM, percentage | 69.0 (62.9–75.0) |
 FFM, kg | 48.5 (42.6–57.5) |
 FFMI, kg/m2 | 18.5 (17.1–20.2) |
 FM, percentage | 31.0 (24.9–37.1) |
 FM, kg | 21.9 (16.7–28.6) |
 FMI, kg/m2 | 8.3 (6.3–10.9) |
 ASM, percentage | 0.25 (0.23–0.28) |
 ASM, kg | 18.1 (15.2–21.7) |
 ASMI, kg/m2 | 6.9 (6.2–7.6) |
Grip strength, kg | 24.0 (18.0–31.0) |
SPPB score | 10.0 (8.0–11.0) |