01 and in physical functioning p 001 and for the

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: provements in bodily pain (P < .004) at the one-year follow-up (Figure 2). The NHP scale showed no significant improvements in patients with IC, while in patients with CLI, significant improvements in pain (P < .001) and physical mobility (P < .03) were found (Figure 3). Discussion The result showed that the SF-36 was less skewed and more homogeneous with lower "floor" and "ceiling" effects than the NHP. A considerable convergence in three of the five comparable domains one year postoperatively indicates an average convergent validity. The SF-36 Page 5 of 11 (page number not for citation purposes) Health and Quality of Life Outcomes 2004, 2 http://www.hqlo.com/content/2/1/9 Table 3: Reliability and "floor" and "ceiling" effects in comparable NHP and SF-36 scales before and one year after revascularization. NHPa Before N = 90 % floor % ceiling Alphab values SF-36 Before N = 90 % floor % ceiling Alphab values Pain Physical mobility Emotional reactions Energy Social isolation 5.6 0 3.3 1.1 0.71 0.69 5.6 2.2 0 0 0.57 0.82 0 36.7 0.76 Bodily pain Physical functioning Mental health 1.1 3.3 0.76 27.8 0 29.9 65.6 0.71 0.34 Vitality Social functioning 4.4 0 0 17.8 0.70 0.56 NHPa One year n = 66 % floor % ceiling Alphab values SF-36 One year n = 66 % floor % ceiling Alphab values Pain Physical mobility Emotional reactions Energy Social isolation 1.5 1.5 13.6 13.6 0.76 0.76 1.5 1.5 0 0 0.86 0.87 1.5 50.0 0.84 Bodily pain Physical functioning Mental health 0 7.6 0.87 19.7 3.0 42.4 71.2 0.73 0.73 4.5 1.5 1.5 34.8 0.83 0.64 a The Vitality Social functioning NHP scores are reversed for consistency with the SF-36. b Cronbach's α Table 4: Multitrait-Multimethod matrix of correlation coefficient for the comparable scales of the SF-36 and NHP in patients with varying degrees of lower limb ischaemia one year after revascularization. SF-36 Bodily pain SF-36 Bodily pain Physical functioning Mental health Vitality Social functioning NHP Pain Physical mobility Emotional reactions Energy Social isolation NHP Physical functioning Mental health Vitality Social functioning Pain Physical mobility Emotional reactions 0.59 0.43 - 0.41 0.35 0.48 0.51 0.81 0.47 0.45 - -0.53 -0.53 -0.46 -0.46 -0.12 -0.12 -0.38 -0.38 -0.14 -0.14 1.00 - -0.32 -0.39 -0.66 -0.62 -0.38 0.31 0.31 - -0.45 -0.21 -0.60 -0.40 -0.59 -047 -0.65 -0.40 -0.58 -0.32 0.43 0.03 0.43 0.03 0.68 0.47 Social isolation - 0.33 Energy 0.47 - Correlation coefficients for comparable domains of the two questionnaires are shown in bold type Correlation coefficients are negative because the two scales run in opposite directions. Page 6 of 11 (page number not for citation purposes) Health and Quality of Life Outcomes 2004, 2 http://www.hqlo.com/content/2/1/9 Table 5: Differences in comparable domains in the NHP and the SF-36 between claudicants and patients with critical ischaemia before revascularization. Dimension NHP* Md (q1,q3) Pain Physical mobility Emotional reactions Energy Social isolation SF-36**Md (q1,q3) Bodily pain Physical functioning Mental health Vital...
View Full Document

This document was uploaded on 11/24/2013.

Ask a homework question - tutors are online