TABLE 3.

Cancer Incidence, US Air Force Fighter Aviators (n = 34,976), and the General US Population, Exposure Period of 1970–2004, Followed Through 2018

	Fighter Aviators (Observed)	General US Population (Expected)	SIR (95% CI)∗
Males (n = 34,760)
Colon and rectum	387	542.4	0.71 (0.64–0.79)
Pancreas	169	149.5	1.13 (0.97–1.31)
Melanoma skin	416	332.2	1.25 (1.13–1.38)
Prostate	2124	1779	1.19 (1.14–1.25)
Testis	43	114.0	0.38 (0.27–0.51)
Urinary bladder	305	357.7	0.85 (0.76–0.95)
Kidney and renal pelvis	78	254.6	0.31 (0.24–0.38)
Brain and nervous system	104	98.0	1.06 (0.87–1.29)
Thyroid	72	101.1	0.71 (0.56–0.90)
Non-Hodgkin lymphoma	309	273.1	1.13 (1.01–1.27)
Females (n = 216)
Melanoma skin	1	0.66	1.51 (0.04–8.43)
Thyroid	1	0.97	1.04 (0.03–5.77)
Non-Hodgkin lymphoma	1	0.22	4.53 (0.11–25.2)

CI, confidence interval; SIR, standardized incidence ratio; US, United States.

^∗Standardized for sex, age group, and race.