Variables

$\overline{x}\pm s/n$

r/t/Kendall’s tau-b

P

TP

64.84 ± 5.95

0.398

0.001

ALB

38.19 ± 5.35

0.217

0.035

Age

70.05 ± 10.87

−0.434

0.001

BMI

20.46 ± 2.55

0.269

0.008

Education level (illiterate/primary/junior high/senior high school/college and above)

8/26/24/19/18

−0.2

0.011