Table 2.
Comparison of salivary and serum magnesium levels among healthy patients (group A) versus patients with tobacco habits and with potentially malignant disorders (group C)
| Group | n | Mean (mg/dl) | Standard Deviation | Mean Difference | Z | P |
|---|---|---|---|---|---|---|
| Mg Saliva | ||||||
| Group A | 20 | 0.4630 | 0.30145 | −0.8800 | −1.194 | 0.242, |
| Group C | 20 | 0.5510 | 0.22136 | ns | ||
| Mg Serum | ||||||
| Group A | 20 | 1.5890 | 0.60638 | −0.19000 | −0.772 | 0.445, |
| Group C | 20 | 1.6080 | 0.37966 | ns |
Values are expressed as mean ± SD. NS – Non-significant; Differences were considered non-significant in groups A and B in both serum and salivary magnesium