Table 2.
Distribution of salivary gland tumors according to age group
| Age group (years) | Benign, n (%) | Malignant, n (%) | Pleomorphic adenoma, n (%) | Warthin’s tumor, n (%) | Cystic adenoid carcinoma, n (%) | Mucoepidermoid carcinoma, n (%) | Adenocarcinoma NOS, n (%) |
|---|---|---|---|---|---|---|---|
| 0–9 | 3 (0.6*) | 1 (0.8) | 3 (0.7) | – | 1 (2.6) | – | – |
| 10–19 | 22 (4.7*) | 4 (3.1) | 22 (5.4) | – | 1 (2.6) | 2 (7.7) | – |
| 20–29 | 62 (13.2*) | 11 (18.5) | 61 (15) | – | 3 (7.7) | 5 (19.2) | 1 (2.8) |
| 30–39 | 115 (24.5*) | 22 (16.9) | 110 (27.1) | 1 (2.6) | 7 (17.9) | 9 (34.6) | 5 (13.9) |
| 40–49 | 90 (19.2*) | 15 (11.5) | 80 (19.7) | 3 (7.9) | 3 (7.7) | 1 (3.8) | 7 (19.4) |
| 50–59 | 83 (17.7*) | 25 (19.2) | 62 (15.3) | 17 (44.7) | 8 (20.5) | 4 (15.4) | 7 (19.4) |
| 60–69 | 55 (11.7) | 26 (20*) | 42 (10.3) | 8 (21.1) | 7 (17.9) | – | 11 (30.5) |
| 70–79 | 35 (7.5) | 19 (14.6*) | 22 (5.4) | 9 (23.7) | 6 (15.4) | 4 (15.4) | 5 (13.9) |
| 80–89 | 4 (0.9) | 7 (5.4*) | 4 (1) | – | 3 (7.7) | 1 (3.8) | – |
| Total | 469 | 130 | 360 | 29 | 30 | 21 | 36 |
* Benign or malignant tumor vs. age group P < 0.05. For statistical analysis age groups 0–9, 10–19 and 20–29; 30–39, 40–49 and 50–59, and 60–69, 70–79 and 80–89 years of age were grouped together