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Table 2 Summarized results of reproducibility analysis

From: Reproducibility of improvements in patient-reported functional ability following functional capacity evaluation

 

2016

2017

2018

p

 

n = 161

n = 140

n = 151

 

SFS before FCE

135.5 [129.3; 141.7]

136.3 [129.8; 142.8]

132.8 [126.9; 138.8]

0.517a

SFS after FCE

150.3 [144.7; 156.0]

151.1 [145.8; 156.4]

148.1 [142.9; 153.2]

0.531a

Spearman’s r

0.836 [0.783; 0.896]

0.855 [0.809; 0.908]

0.861 [0.820; 0.909]

 

 2016 vs. 2017

   

0.578b

 2016 vs. 2018

   

0.444b

 2017 vs. 2018

   

0.849b

SFS difference

14.8 [11.3; 18.2]

14.8 [11.5; 18.0]

15.3 [12.0; 18.4]

0.934a

  1. SFS scores and improvement of the SFS score from before measurement are presented as mean with 95% confidence intervals. Spearman’s r describes the correlation of SFS scores before and after performance of the FCE and is presented with 95% confidence intervals based on bootstrap analysis based on 10.000 replicas. Superscripts indicate hypothesis tests with α = 20% to support similar results. aKruskal-Wallis H tests, bpairwise tests for correlations, SFS Spinal Function Sort, FCE functional capacity evaluation