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Table 1 Demographic and treatment characteristics of the study population & validity and reliability cohorts 

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

  Study population
N = 83
Validity cohort
N = 66
Reliability cohort
N = 56
P value
Centre 1.000
 Surrey: n (%) 62 (74.7) 52 (78.8) 44 (78.6)
 Newcastle: n (%) 21 (25.3) 14 (21.2) 12 (21.4)
Age (years) 0.943
 mean (SD) 68.2 (7.4) 68.1 (7.0) 68.2 (7.3)
 range 47–83 47–83 47–83
  ≤ 60 n (%) 14 (16.9) 10 (15.2) 9 (16.1)
  >  60 n (%) 69 (83.1) 56 (84.8) 47 (83.9)
Ethnicity 0.199
 White: n (%) 80 (96.4) 63 (95.4) 53 (94.6)
 Black Caribbean: n (%) 2 (2.4) 2 (3.0) 2 (3.6)
 Black African: n (%) 1 (1.2) 1 (1.5) 1 (1.8)
Treatment (men had combined treatments) 0.996
 Surgery: n (%) 53 (63.9) 43 (65.1) 36 (64.3)
 Radiotherapy: n (%) 26 (31.3) 23 (34.8) 19 (33.9)
 Brachytherapy: n (%) 3 (3.6) 3 (4.5) 3 (5.3)
 ADT: n (%) 32 (38.6) 26 (39.4) 21 (37.5)
Smoking status 0.926
 Non smoker: n (%) 45 (54.2) 36 (54.5) 32 (57.1)
 Ex-smoker: n (%) 28 (33.7) 23 (34.8) 19 (33.9)
 Smoker: n (%) 3 (3.6) 3 (4.5) 3 (5.4)
 Missing: n (%) 7 (8.4) 4 (6.1) 2 (3.6)
Retirement 0.970
 Yes: n (%) 19 (22.9) 16 (24.2) 14 (25.0)
 No: n (%) 54 (65.1) 42 (63.6) 36 (64.3)
 Missing: n (%) 10 (12.0) 8 (12.1) 6 (10.7)
Height (cm): mean (SD) 175.5 (6.5) 175.9 (6.5) 175.5 (6.6) 0.713
Weight (kg): mean (SD) 89.2 (11.8) 88.6 (11.6) 88.7 (11.2) 0.980
Diabetes: n (%) 7 (8.4) 4 (6.1) 3 (5.3) 1.000
Resting blood pressure, systolic (mmHg): mean (SD) 135.7 (15.3) 135.3 (15.1) 136.5 (15.1) 0.651
Resting blood pressure, diastolic (mmHg): mean (SD) 81.4 (10.0) 80.7 (9.1) 81.0 (9.2) 0.853
Waist circumference (cm): mean (SD) 102.2 (9.7) 101.4 (9.4) 101.7 (9.0) 0.886
Hip circumference (cm): mean (SD) 105.5 (7.6) 104.7 (7.3) 104.8 (6.8) 0.921
Grip strength (kg): mean (SD) 38.4 (8.4) 39.3 (7.6) 39.2 (7.8) 0.934
Chair sit to stand (number completed): median (IQR) 13 (5) 13 (5) 13 (5) 0.608
Charlson co-morbidity index (CCI): median (IQR) 6 (3) 5 (2.5) 6 (3) 0.848
  1. Column 1 describes all study participants. Column 2 and 3 describe the cohorts used for Validity (N = 66) and Reliability analysis (N = 56). P value was calculated to statistically assess the difference between the validity and reliability cohorts