159 PROMIS in VWD, IPFDs and RBDs 5 Table S10: Overview of the skewness, inter-item correlation and reliability of the SF-36v2 in adults with inherited platelet function disorders. Score Correlation Reliability Instruments N N. of items Mean SD Skew Min Max α GLB SF-36v2 Physical functioning 18 10 68.3 29.3 -0.67 0.34 0.94 0.94 0.99 Role limitations due to physical health problems 18 4 87.5 26.1 -2.20 0.45 0.54 0.79 0.84 Role limitations due to emotional problems 18 3 96.3 10.8 -2.27 N/A N/A N/A N/A Vitality 18 4 50.8 21.0 -0.12 0.61 0.89 0.91 0.96 Mental health 18 5 63.6 13.6 -0.06 0.07 0.66 0.75 0.90 Social functioning 18 2 65.3 21.7 0 0.74 - 0.85 0.85 (Bodily) pain 18 2 67.2 27.3 -0.44 0.84 - 0.91 0.91 General health 18 5 48.3 21.1 0.48 0.11 0.81 0.79 0.88 Physical component score 18 21 44.0 11.2 -0.42 0.21 0.71 0.79 0.89 Mental component score 18 14 47.5 6.3 -0.39 0.23 0.85 0.76 0.89 Abbreviations: α, Cronbach’s alpha; GLB, greatest lower bound; Max, maximum; Min, minimum; No, number; SD, standard deviation; SF-36v2, Short Form-36 version 2.
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