Table 1 Clinicopathological information of patient cohort
From: Exploring the microbiome of oral epithelial dysplasia as a predictor of malignant progression
|  | All (%)£ | No progression* (%)£ | Progression* (%)£ |
|---|---|---|---|
Total | n = 90 | n = 60 | n = 30 |
Length of follow-up Median months (range) | 83.8 (12.9 to 181.4) | 85.3 (18.0 to 172.5) | 73.7 (12.9 ± 181.4) |
Age at diagnosis Mean (years ± SD) | 60.2 ± 10.4 | 60.6 ± 10.2 | 59.3 ± 10.9 |
Sex | |||
 Male | 42 (47) | 28 (47) | 14 (47) |
 Female | 48 (53) | 32 (53) | 16 (53) |
Ethnicity | |||
 White | 73 (81) | 49 (82) | 24 (80) |
 Asian | 10 (11) | 6 (10) | 4 (13) |
 South or East Asian | 5 (6) | 5 (8) | 0 (0) |
 Other | 2 (2) | 0 (0) | 2 (7) |
Smoking historya | |||
 Never | 54 (60) | 35 (58) | 19 (63) |
 Ever | 36 (40) | 25 (42) | 11 (37) |
Alcohol consumptionb | |||
 Non/light | 81 (90) | 54 (90) | 27 (90) |
 Heavy | 9 (10) | 6 (10) | 3 (10) |
Lesion sitec | |||
 Low Risk | 12 (13) | 8 (13) | 4 (13) |
 High Risk | 78 (87) | 52 (87) | 26 (87) |
Grade of dysplasia | |||
 Mild dysplasia | 42 (47) | 33 (55) | 9 (30) |
 Moderate dysplasia | 48 (53) | 27 (45) | 21 (70) |
Time to progression category | |||
 < 1 year | - | - | 5 (17) |
 1 – 2 years | 5 (17) | ||
 2 – 3 years | 5 (17) | ||
 3 – 4 years | 6 (20) | ||
 4 – 6 years | 5 (17) | ||
 > 6 years | 4 (13) | ||