Table 2.

Periodontal parameters of the sampling sites in the study groups (PD: probing depth, CAL: clinical attachment level, PI: plaque index, PBI: papilla bleeding index, GCF:gingival crevicular fluid, Y: young, MA: middle aged, *indicates significant difference from healthy counterpart).

Clinical variables	Y-Healthy	Y-Gingivitis	MA-Healthy	MA-Gingivitis
	(n=20)	(n=21)	(n=20)	(n=20)
PD	2 (1-2)	3 (2-4)*	2 (1-2)	3 (2-5)*
CAL	-	-	-	-
PI	2 (1-3)	3 (2-4)*	2 (1-3)	3 (2-5)*
PBI	-	2 (1-4)*	-	2 (1-4)*
GCF volume (µl)	0.2±0.1	0.38±0.14*	0.2±0.1	0.42±0.12*