Table 1 Demographic characteristics and clinical features of oral lichen planus patients and healthy control subjects in the two-dimensional polyacrylamide gel electrophoresis/proteomics portion of the study
From: Putative salivary protein biomarkers for the diagnosis of oral lichen planus: a case-control study
|  | OLP (n = 5) | Healthy control (n = 5) | p |
|---|---|---|---|
Age (years) | |||
 Mean ± SD | 56.8 ± 4.09 | 47.8 ± 3.9 | 0.007 |
 Range | 52–61 | 44–53 |  |
Gender | |||
 F/M | 4/1 | 4/1 |  |
Clinical appearance | |||
 R & E | 3 (60%) |  |  |
 R & E (with erosion) | 1 (20%) |  |  |
 R & E & U | 1 (20%) |  |  |
Site | |||
 Buccal mucosa | 1 (20%) |  |  |
 Gingiva | 2 (40%) |  |  |
 Buccal mucosa and gingiva | 2 (40%) |  |  |