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. 2015 Jun 29;8:319–328. doi: 10.2147/CCID.S79447

Table 4.

Changes in facial skin hydration, facial skin pH, facial density, facial sebumetry, and sebumetry of inner side of arm (arm sebumetry) during the study

Average Median Standard deviation Minimum Maximum P-value
Face corneometry (hydration units)
 Day 30 59.3 54.4 18.9 39.2 162.4 0.014
 Day 210 67.6 63.0 21.0 34.4 113.4
Face pHmetry
 Day 30 4.8 4.8 0.5 3.5 6.0 <0.001
 Day 210 4.6 4.6 0.4 3.5 5.2
Ultrasound scan, face (arbitrary units)
 Day 30 31.41 29 7.5 18 50 <0.001
 Day 210 69.77 66 10.32 55 96
Face sebumetry (mg/cm2)
 Day 30 98.0 86.3 50.5 22.0 218.8 0.861
 Day 210 100.9 85.7 54.1 18.0 254.0
Arm sebumetry (mg/cm2)
 Day 30 7.0 1.0 16.2 0.0 78.0 0.398
 Day 210 7.1 2.0 13.0 0.0 71.0