Table 2.

Adverse outcomes of high and low performance-based functional assessments groups and dichotomous summary score in the Safe Kidney Care cohort

OutcomeTotal (N)n (%)
High SPPBLow SPPBHigh IADLLow IADLHigh M3SELow M3SEHigh Summary ScoreLow Summary Score
Participants350197 (56)153 (44)246 (70)104 (30)177 (51)173 (49)213 (61)137 (39)
ESKD4120 (10)21 (14)32 (13)9 (9)21 (12)20 (12)24 (11)17 (12)
Death5620 (10)36 (24)a 32 (13)24 (23)b 20 (11)36 (21)b 23 (11)33 (24)a
ESKD or 50% decline GFR5221 (11)31 (20)b 42 (17)10 (10)26 (15)26 (15)30 (14)22 (16)
ESKD, 50% decline GFR, or death10641 (21)65 (43)c 72 (29)34 (33)45 (25)61 (35)b 52 (24)54 (39)a
  • P values compared two groups listed side by side. SPPB, Short Physical Performance Battery; IADL, Lawton Instrumental Activities of Daily Living; M3SE, Modified Mini-Mental Status Exam.

  • a P≤0.001.

  • b P≤0.05.

  • c P≤0.0001.