Table 1 Salivary gland incidence and surgical intervention by population demographic variables
From: Overview of major salivary gland cancer surgery in Ontario (2003–2010)
Incident salivary gland cancer cases | 8-year age-standardized incidence rate per 100,000 | Had surgical procedure age-standardized % total | Partial or subtotal resection | Total or radical resection | |
|---|---|---|---|---|---|
n (%) | % Total | % Total | |||
Sex | |||||
Female | 507 (40.9) | 9.7 | 83.6 | 43.6 | 40.0 |
Male | 733 (59.1) | 15.5 | 79.9 | 35.7 | 44.2 |
P < 0.0001 | P = 0.10 | P = 0.005 | P = 0.15 | ||
Age Group | |||||
18-54 years | 409 (33.0) | 6.7 | 91.4 | 50.1 | 41.3 |
55-64 years | 246 (19.8) | 18.2 | 82.9 | 41.5 | 41.5 |
65-69 years | 92 (7.4) | 19.9 | 83.7 | 41.3 | 42.4 |
70-74 years | 122 (9.8) | 30.9 | 81.1 | 32.8 | 48.4 |
75+ years | 371 (29.9) | 53.4 | 69.0 | 26.4 | 42.6 |
P < 0.0001 | P < 0.0001 | P < 0.0001 | P = 0.78 | ||
Neighborhood income | |||||
1 – Lowest | 240 (19.4) | 11.8 | 74.6 | 34.6 | 40.0 |
2 | 202 (16.3) | 9.5 | 83.7 | 41.6 | 42.1 |
3 | 260 (21.0) | 12.9 | 82.7 | 40.0 | 42.7 |
4 | 259 (20.9) | 12.6 | 83.0 | 39.8 | 43.2 |
5 – Highest | 279 (22.5) | 13.7 | 83.2 | 39.1 | 44.1 |
P < 0.0001 | P = 0.08 | P = 0.67 | P = 0.78 | ||
Community population | |||||
≥ 1,500,000 | 428 (34.5) | 10.6 | 82.0 | 38.1 | 43.9 |
100,000-1,499,999 | 474 (38.2) | 12.1 | 82.7 | 41.4 | 41.4 |
< 100,000 | 338 (27.3) | 14.7 | 79.0 | 36.7 | 42.3 |
P < 0.0001 | P = 0.44 | P = 0.41 | p = 0.77 |