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Table 6 Known-groups validity for the SF-12v2 components among adults with hemophilia

From: An evaluation of the psychometric properties of the sf-12v2 health survey among adults with hemophilia

Component

Group 1 No symptoms (N = 31)

Group 2 Mild Symptoms (N = 67)

Group 3 Moderate Symptoms (N = 61)

Group 4 Severe Symptoms (N = 39)

 

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

p-value

Physical Component Summary Score (PCS)

50.10 (7.92)Ë 

47.39 (8.25)*

40.79 (8.59)Ë *Â¥

35.24 (10.78)Ë *Â¥

< 0.0001

Mental Component Summary Score (MCS)

50.61 (8.23)√

46.80 (9.53)

46.96 (9.27)

42.29 (12.28)√

0.007

  1. ˠSignificant difference in mean PCS scores between group 1 as compared to group 3 and group 4 (p < 0.05) based on Tukey’s HSD (Honestly Significant Difference) test
  2. *Significant difference in PCS scores between group 2 as compared to group 3 and group (p < 0.05) based on Tukey’s HSD test
  3. ¥Significant difference in PCS scores between group 3 and group 4 (p < 0.05) based on Tukey’s HSD test
  4. √Significant difference in mean MCS scores between group 1 and group 4 (p < 0.05) based on Tukey’s HSD test
  5. Symptom severity categories are based on responses to the PGI-S
  6. Note: SD, standard deviation p-values are based on a one-way analysis of variance
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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