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Table 2 Descriptive Statistics for the SF-36 and FACT-An at Baseline

From: Measurement properties of the Short Form-36 (SF-36) and the Functional Assessment of Cancer Therapy - Anemia (FACT-An) in patients with anemia associated with chronic kidney disease

Measure N Mean ± SD Range Median Mode Missing N, %
SF-36a
 Physical Functioning 194 38.2 ± 11.1 17.1–57.0 38.1 36.0 0 (0.0%)
 Role-physical 194 40.1 ± 11.2 17.7–56.9 39.7 37.3 0 (0.0%)
 Role-emotional 193 41.3 ± 13.7 9.2–55.9 44.2 55.9 1 (0.5%)
 Vitality 194 47.7 ± 12.0 20.9–70.8 49.0 45.9 0 (0.0%)
 Mental Health 194 48.4 ± 11.5 19.0–64.1 52.8 52.8 0 (0.0%)
 Social Functioning 194 45.3 ± 11.5 13.2–56.9 45.9 56.9 0 (0.0%)
 Bodily Pain 194 47.3 ± 11.2 19.9–62.1 46.1 62.1 0 (0.0%)
 General Health 194 39.5 ± 9.5 16.2–62.5 38.6 32.9 0 (0.0%)
 Physical Component Summary 194 40.0 ± 9.4 17.0–64.0 40.7 27.5 0 (0.0%)
 Mental Component Summary 194 48.0 ± 11.5 14.3–67.3 49.6 32.1 0 (0.0%)
FACT-An
 Total FACT-An score 197 131.5 ± 30.0 44.0–185.0 131.0 122.0 1 (0.5%)
 Total FACT-G score 197 77.6 ± 17.0 25.0–106.8 78.0 72.0 1 (0.5%)
 Physical Well Being 198 20.9 ± 5.5 2.0–28.0 22.0 25.0 0 (0.0%)
 Functional Well Being 197 18.0 ± 6.5 2.0–28.0 18.0 28.0 1 (0.5%)
 Social Well Being 198 21.0 ± 5.8 2.0–28.0 22.0 28.0 0 (0.0%)
 Emotional Well Being 197 17.8 ± 4.7 0.0–24.0 19.0 21.0 1 (0.5%)
 Anemia subscale 198 53.9 ± 15.0 14.0–80.0 54.9 57.0 0 (0.0%)
 Fatigue subscale 198 34.2 ± 11.5 8.0–52.0 35.5 28.0 0 (0.0%)
 Trial outcome index 197 92.7 ± 24.6 27.0–136.0 92.0 72.0 1 (0.5%)
  1. a.Norm-based score based on 2009 US general population survey