Table 2: Intercorrelations among performance measures and criterion variables for Centenarians (below diagonal) and Octogenarians (above diagonal).

SPPBPPMEGCSDAFS BADLDAFS IADLLeg strengthGrip strength

SPPB1.0000.8070.8620.5030.5820.4670.410
PPME0.7241.0000.9520.5830.6330.4450.469
GCS0.7830.8911.0000.6300.6410.4850.448
DAFS BADL0.4060.4870.5851.0000.8390.4320.496
DAFS IADL0.5330.5310.6100.7471.0000.5080.532
Leg strength0.5100.5180.5810.4490.5011.0000.181
Grip strength0.4610.5080.6130.4310.4750.4061.000

Note. Entries which share an attribute (bold, underline, italics) are significantly different within age group, 𝑃 < . 0 5 .