指标

非衰弱组

前衰弱组

衰弱组

F值

P值

SDNN

133.37 ± 31.73

105.02 ± 33.13

66.82 ± 33.63

108.404

<0.001

SDNN Index

49.26 (38.40~69.45)

38.55 (31.98~46.32)

23.73 (15.74~28.56)

109.023

<0.001

RMSSD

34.72 (25.56~48.19)

29.46 (20.31~40.05)

23.20 (16.21~35.58)

27.940

<0.001

PNN50

6.31 (3.05~17.60)

3.82 (1.32~11.85)

2.14 (0.70~6.21)

34.467

<0.001

TRIA

35.32 (29.26~41.12)

26.57 (22.25~33.18)

20.74 (16.88~27.71)

103.241

<0.001