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Table 3 Reliability analysis of Siconolfi step test (SST)

From: The Siconolfi step test: a valid and reliable assessment of cardiopulmonary fitness in older men with prostate cancer

Reliability analysis

Visit 1

(N = 56)

Visit 2

(N = 56)

SST

 Predicted VO2peak (ml/kg/min):

  average (SD)

19.6 (5.2)

20.2 (4.5)

  range

10.8–35.5

9.6–33.8

 Heart rate (bpm): mean (SD)

142.2 (21.3)

142.9 (20.3)

Pearson correlation

 r

0.83

 P value

< 0.001

 0.95% CI

0.72–0.89

Paired t-test

 average difference

0.53

 P value

0.181

 0.95% CI

-0.25–1.31

ICC

 ICC

0.81

 P value

< 0.001

 0.95% CI

0.70–0.89

  1. Repeated measures from Visit 1 (column 1) and Visit 2 (column 2) are presented for N = 56 participants that provided valid SST data at both visits. Reliability is assessed with Pearson correlation (r), paired t-test and intraclass correlation coefficient (ICC). Statistical significance was assessed at level of P < 0.05