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Table 4 Descriptive statistics for evening 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 Std D Skewness Kurtosis Range
VAS Day 1 41 18.80 19.82 1.77 3.30 0–87
VAS Day 2 40 19.83 21.13 1.84 4.12 0–100
VAS Day 3 41 20.95 20.36 1.24 0.95 0–77
VAS Day 4 40 17.98 17.20 1.49 2.45 0–75
VAS Day 5 40 15.10 15.13 1.31 1.33 0–63
VAS Day 6 41 18.05 17.84 1.18 0.89 0–74
VAS Day 7 41 18.37 17.37 1.08 0.65 0–70
Average 41 18.44 15.83 1.00 0.27 0–62.86