From: The perioperative frailty index derived from the Chinese hospital information system: a validation study
Frailty assessment instruments
Z
P
Z*
P*
FRAIL vs. mFI_11
0.995
0.3197
0.850
0.3951
FRAIL vs. FI-32
0.506
0.6130
0.443
0.6579
mFI_11 vs. FI-32
1.788
0.0738
0.404
0.6864