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Age and gender of participants in the four study groups
| Healthy individuals | OLP | OLRs | OSCC | P value | |
|---|---|---|---|---|---|
| Age (years) | 42.73 ± 2.378 | 49.73 ± 3.194 | 52.73 ± 2.784* | 61.00 ± 3.225*# | 0.000 |
| Gender (M/F) | 8/17 | 8/17 | 8/17 | 10/15 | 0.9 |
*, #, $A significant difference with the healthy control, OLP and OLR groups at P < 0.05, respectively
