International Journal of Dentistry / 2021 / Article / Tab 2

Research Article

Er,Cr:YSGG 2780 nm Laser Treatment of Lip Melanin Hyperpigmentation

Table 2

Statistical analysis using the one-sample chi-square test (X2) and one-sample binomial test to determine the significant difference between our null hypothesis to the actual observed data using Er,Cr:YSGG laser.

Adverse effectWound healing after 14 daysPain a using VAS indexColor improvementSatisfaction after 3 monthsRelapse after 18 months

X2145.07845.9411.8750.3989.326
Test statistics208.8432.00045.9417.5473.27719.280
Df315443
value0.0010.2390.0010.1100.5130.001

The distribution of the categories was reported with the specified probabilities according to the null hypothesis. One-sample binomial test was performed.

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