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Table 3 Descriptive statistics for the eight scales

From: Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women

Scale Range Median Mean SD Skewness %Floor %Ceiling
PF 0 – 100 80 77.3 17.4 -1.04 0.3 8.7
RP 0 – 100 100 82.2 28.6 -1.54 4.5 64.9
BP 10 – 100 77.5 75.6 18.4 -0.46 0 20.6
GH 0 – 100 65 65.1 18.1 -0.56 0.2 0.6
VT 0 – 100 60 62.2 13.3 -0.30 0.1 0.3
SF 0 – 100 75 78.2 18.2 -0.58 0.1 26.0
RE 0 – 100 100 80.4 31.9 -1.41 7.4 67.4
MH 8 – 100 68 66.1 12.9 -0.48 0 0.4