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Table 2 ICC (2 way, random effects model for absolute agreement) between first and second visit

From: Acceptability and feasibility of magnetic femoral nerve stimulation in older, functionally impaired patients

 

ICC (95% CI)

p

6 minute walk distance

 All

0.94 (0.79–0.98)

< 0.001

 Stable on 6MWa

0.98 (0.92–1.00)

< 0.001

Maximal voluntary quadriceps contraction strength

 All

− 0.27 (− 0.84 to 0.41)

0.77

 Stable on 6MWa

− 0.63 (− 1.14 to 0.26)

0.92

Maximal quadriceps twitch tension

 All

0.06 (− 0.53 to 0.68)

0.44

 Stable on 6MWa

− 0.21 (− 0.92 to 0.74)

0.65

Handgrip strength

 All

0.89 (0.65–0.97)

< 0.001

 Stable on 6MWa

0.85 (0.10–0.97)

< 0.001

Short physical performance battery

 All

0.55 (− 0.08 to 0.86)

0.04

 Stable on 6MWa

0.62 (− 0.13 to 0.91)

0.05

  1. aExcluding those with 6 minute walk (6MW) difference of ≥ 50 m between visits