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Table 4 Different domains of SF-36 obtained from 170 patients with CKD considering hemoglobin (Hb) adjusted by gender and age

From: Family income is associated with quality of life in patients with chronic kidney disease in the pre-dialysis phase: a cross sectional study

  Level of hemoglobin*   
SF-36 domains Hb ≤ 9.0 Hb 9.1–12.9 Hb ≥ 13 Total P#
  N = 12 N = 56 N = 93 N = 161  
Functional capacity 46.67 (± 31.50) 48.51 (± 26.90) 56.28 (± 27.13) 52.99 (± 27.49) 0.166
Physical aspects 33.33 (± 34.23) 35.96 (± 35.98) 51.32 (± 38.74) 44.90 (± 38.14) 0.072
Pain 46.25 (± 27.30) 59.56 (± 26.51) 62.75 (± 29.11) 60.52 (±28.30) 0.270
General health 46.42 (± 19.27) 57.96 (± 24.93) 53.39 (± 27.03) 54.43 (± 25.92) 0.315
Vitality 52.92 (± 20.83) 55.00 (± 24.23) 58.32 (± 23.02) 56.82 (± 23.24) 0.819
Social aspects 51.17 (± 29.39) 78.11 (± 23.48) 77.74 (± 28.59) 75.99 (± 27.75) 0.015
Emotional aspects 47.17 (± 38.89) 43.85 (± 40.94) 58.18 (± 40.09) 52.60 (± 40.64) 0.118
Mental health 54.67 (± 22.52) 66.39 (± 22.83) 66.78 (± 23.52) 64.79 (± 23.31) 0.424
  1. *P = 0.057 (Wilks’ Lambda)
  2. #Mancova