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Table 2 Descriptive statistics for morning VAS

From: Visual analogue scale (VAS) as a monitoring tool for daily changes in asthma symptoms in adolescents: a prospective study

Time point N Mean SD Skewness Kurtosis Range
VAS Day 1 34 19.18 19.85 1.69 2.95 0–82
VAS Day 2 41 18.41 16.77 1.20 0.91 0–63
VAS Day 3 41 18.95 19.82 1.79 3.25 0–84
VAS Day 4 41 16.98 15.50 1.09 0.84 0–65
VAS Day 5 41 15.93 17.24 1.87 3.86 0–75
VAS Day 6 41 17.05 17.50 1.17 0.48 0–64
VAS Day 7 41 15.59 15.21 0.70 −0.96 0–50
Average 41 17.33 14.58 0.79 −0.49 0–50.71