Validity of a New Kit Measuring Salivary Lactate Dehydrogenase Level for Screening Gingivitis

Table 4

Spearman’s rank correlation’ coefficients between LD level and independent variables ().

Independent variables	between LD and independent variables	value
Age (year)	0.175	0.175
Number of natural teeth present	0.261	0.029
Mean probing pocket depth (mm)	0.483	<0.001
Bleeding on probing (%)	0.777	<0.001
Plaque Control Record (%)	0.288	0.015

Spearman’s rank correlation’ coefficients.
LD: lactate dehydrogenase.