Table 2.
Age-adjusted incidence rate (per 100,000 person-years, standardized to the 2000 U.S. population), with 95% CI, of laryngeal cancer in Asian men in California by ethnic group and time period.
1988–1993 |
1994–1999 |
2000–2004 |
||||
---|---|---|---|---|---|---|
Laryngeal cancer incidence | Rate (95% CI) | No. cases | Rate (95% CI) | No. cases | Rate (95% CI) | No. cases |
Vietnamese | 10.5 (6.0–16.6) | 25 | 5.8 (3.6–8.6) | 29 | 5.5 (3.6–8.0) | 35 |
Chinese | 3.9 (2.9–5.2)* | 58 | 3.2 (2.5–4.1)* | 68 | 2.6 (2–3.4)* | 62 |
Japanese | 3.3 (2.1–5.0)* | 28 | 2.5 (1.6–3.8)* | 25 | 2.1 (1.3–3.3)* | 20 |
Filipino | 3.4 (2.4–4.5)* | 44 | 2.9 (2.2–2.9)* | 50 | 2.8 (2.1–3.6)* | 52 |
Korean | 7.3 (4.7–10.9) | 29 | 4.69 (2.89–7.12) | 26 | 4.1 (2.6–6.1) | 27 |
South Asian | – | 10 | – | 11 | 3.8 (2.1–6.2) | 19 |
The difference was statistically significant (p ≤ .05) when compared with the Vietnamese group.
– Number too small for accurate rate calculation. In accordance with CCR policy, rates were not calculated when there were fewer than 15 cases.