EHS	Early Wound Healing Score
IQR	interquartile range
ROC	receiver operating characteristic
AUC	area under the curve
FGG	free gingival graft
CTG	connective tissue graft
ICC	intraclass correlation coefficient
CI	confidence interval
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
OHStat	Oral Health Statistics
ICMJE	International Committee of Medical Journal Editors
CLIP	Clinical Images and Photographs
HbA1c	glycated hemoglobin
CSR	Clinical Signs of Re-epithelialization
CSH	Clinical Signs of Hemostasis
CSI	Clinical Signs of Inflammation
SD	standard deviation
ANOVA	analysis of variance
PSM	propensity score matching
SMD	standardized mean differences
OR	odds ratio
AIC	Akaike’s Information Criterion
VIF	variance inflation factor
NPV	negative predictive value