Table 2:
Variables | Group 1 (n=309) | Group 2 (n=213) | ||||
---|---|---|---|---|---|---|
Frequency – no. (%) | P-value | Frequency – no. (%) | P-value | |||
Male (n=141) | Female (n=168) | Male (n=69) | Female (n=144) | |||
Age† | ||||||
< 19 | 2 (1.4) | 0 | 0 | 0 | ||
20 – 29 | 20 (14.1) | 0 | 4 (5.7) | 0 | ||
30 – 39 | 19 (13.4) | 11 (6.5) | 5 (7.2) | 4 (2.7) | ||
40 – 49 | 32 (22.6) | 51 (30.3) | 0.125 | 9 (13) | 16 (11.1) | <0.001 |
50 – 59 | 48 (34) | 57 (33.9) | 32 (46.3) | 37 (25.6) | ||
60 – 69 | 12 (8.5) | 24 (14.2) | 11 (15.9) | 62 (43) | ||
70 – 79 | 7 (4.9) | 24 (14.2) | 7 (10.1) | 22 (15.2) | ||
80 – 89 | 1 (0.7) | 1 (0.5) | 1 (1.4) | 3 (2) | ||
< 50 | 73 (51.8) | 62 (36.9) | 18 (26.1) | 20 (13.9) | ||
> 50 | 68 (48.2) | 106 (63.1) | 0.009 | 51 (73.9) | 124 (86.1) | 0.03 |
Site of leukoplakia | ||||||
Upper gingiva | 7 (5) | 31 (18.5) | 2 (2.9) | 4 (2.8) | ||
Lower gingiva | 9 (6.4) | 27 (16.1) | 4 (5.8) | 6 (4.2) | ||
Buccal | 27 (19.1) | 69 (41.1) | 23 (33.3) | 23 (16) | ||
Tongue | 54 (38.2) | 11 (5.5) | 0.125 | 27 (39.1) | 88 (61.1) | <0.001 |
Lips | 34 (24.1) | 14 (8.3) | 4 (5.8) | 2 (1.4) | ||
Base of mouth | 10 (7.2) | 16 (9.5) | 9 (13) | 21 (14.6) | ||
Clinical morphology‡ | ||||||
1 | 13 (9.2) | 11 (6.5) | 15 (21.7) | 43 (29.9) | ||
2 | 21 (14.9) | 2 (1.2) | 21 (30.4) | 35 (24.3) | ||
3 | 85 (60.3) | 112 (66.7) | <0.001 | 21.4 (4.3) | 11 (7.6) | 0.4 |
4 | 22 (15.6) | 43 (25.6) | 30 (43.5) | 55 (38.2) | ||
Smoking | ||||||
Yes | 119 (84.4) | 109 (64.9) | <0.001 | 44 (63.8) | 34 (23.6) | <0.001 |
no | 22 (15.6) | 59 (35.1) | 25 (36.2) | 110 (76.4) |