Table 1.

Mean and standard deviation of salivary parameters in smokers and non-smokers

Group	Smokers (N=28)	Non-Smokers (N=31)	P
Salivary parameters	Mean±SD
Total protein (mg/ml)	2.85±0.15	3.3±0.12	NS
Ca2+ (mEq/L)	2.46±0.14	3.17±0.18	NS
K+ (mEq/L)	25.64±0.9	25.14±0.56	NS
Mg2+ (mEq/L)	0.443±0.046	0.453±0.035	NS
Na+ (mEq/L)	13.21±0.31	13.22±0.21	NS
Zn2+ (mEq/L)	0.036±0.04	0.046±0.004	NS
Pb2+ (mEq/L)	0.034±0.001	0.027±0.001	NS