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Table 2 HRQOL scores of CBHD, HBHD patients and age-sex adjusted HK general population

From: Patterns of health-related quality of life and associated factors in Chinese patients undergoing haemodialysis

SF-12v2

Overall HD patientsa (n = 233)

Age-sex adjusted HK general populationa (n = 233)

P-value

Effect sizeb

CBHD patients (n = 110)

HBHD patients (n = 134)

P-value for ANOVA

Significant difference***

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

Physical functioning

66.85 (32.55)

83.91 (26.03)

<0.001*

0.58

73.64 (29.68)

61.38 (34.09)

<0.001**

3 > 1 > 2

Role physical

71.35 (31.01)

79.08 (26.07)

0.004*

0.27

71.48 (32.27)

71.36 (30.11)

0.015**

3 > 2

Bodily pain

70.71 (31.62)

78.54 (25.97)

0.004*

0.27

77.50 (32.12)

64.93 (30.21)

<0.001**

1, 3 > 2

General health

37.55 (25.78)

46.93 (29.82)

<0.001*

0.34

41.36 (24.99)

35.00 (26.51)

<0.001**

3 > 2

Vitality

57.40 (24.15)

61.91 (29.09)

0.070

0.17

55.68 (24.10)

58.96 (24.02)

0.123

 

Social functioning

77.25 (29.69)

81.97 (24.94)

0.064

0.17

78.18 (31.42)

77.43 (28.08)

0.242

 

Role emotional

78.54 (25.42)

77.25 (23.01)

0.567

0.05

81.36 (25.10)

76.40 (24.94)

0.228

 

Mental health

75.00 (19.97)

70.06 (18.92)

0.006*

0.25

75.34 (21.11)

74.81 (19.08)

0.020**

 

Physical component summary score

42.77 (11.11)

47.50 (11.82)

<0.001*

0.41

45.71 (11.02)

40.26 (10.89)

<0.001**

1, 3 > 2

Mental component summary score

54.68 (9.14)

49.82 (10.41)

<0.001*

0.50

55.51 (7.96)

54.15 (9.94)

<0.001**

1, 2 > 3

  1. HRQOL: Health-related Quality of Life; CBHD: Community-Based Haemodialysis; HBHD: Hospital-Based Haemodialysis; HK: Hong Kong
  2. aOf 2,831 respondents in the study of population norm of the SF-12v2 in Hong Kong, 233 HD patients were matched to 233 general population subjects with sex and exact age. 11 subjects could not be matched
  3. bCohen’s d effect size between HD patients (overall) and HK general population
  4. *Significant difference between HD patients (overall) and HK general population (P < 0.05)
  5. **Significant difference between three groups (P < 0.05) by one-way ANOVA: Group 1, CBHD; Group 2, HBHD; Group 3, Hong Kong general population
  6. ***Significant difference between groups by post hoc Tukey’s HSD test (P < 0.05)