Table 3

Observed (Obs) and expected (Exp) number of cancers, standardised incidence ratios (SIRs) for selected cancers adjusted for age and period, and 95% CI among Navy submariners by duration of submarine service

Cancer siteICD-10Duration of submarine service (years)ObsExpSIR95% CI
All sitesC00–96≤2440371.241.191.08 to 1.30
>2342310.071.100.99 to 1.23
StomachC16≤2118.711.260.63 to 2.26
>266.730.890.33 to 1.94
ColonC18≤24329.081.481.07 to 1.99
>22523.311.070.69 to 1.58
Rectum, rectosigmoidC19–20≤21917.911.060.64 to 1.66
>21414.700.950.52 to 1.60
PancreasC25≤249.130.440.12 to 1.12
>287.501.070.46 to 2.10
Lung, tracheaC33–34≤24640.441.140.83 to 1.52
>23832.101.180.84 to 1.63
MelanomaC43≤23120.491.511.03 to 2.15
>23018.531.621.09 to 2.31
Skin, non-melanomaC44≤22919.881.460.98 to 2.10
>23215.142.111.45 to 2.98
MesotheliomaC45≤241.732.310.63 to 5.91
>211.320.760.02 to 4.22
Soft tissuesC48–49≤251.593.141.02 to 7.32
>231.412.130.44 to 6.22
ProstateC61≤29597.770.970.79 to 1.19
>28181.650.990.79 to 1.23
TestisC62≤235.850.510.11 to 1.50
>276.491.080.43 to 2.22
Kidney excl. renal pelvisC64≤21011.230.890.43 to 1.64
>2119.981.100.55 to 1.97
Bladder, renal pelvis and other urinary organsC65–68≤23925.681.521.08 to 2.08
>22320.481.120.71 to 1.69
Brain, nervous systemC70–72≤21510.781.390.78 to 2.30
>269.910.610.22 to 1.32
Hodgkin lymphomaC81≤231.901.580.33 to 4.62
>251.822.740.89 to 6.41
Non-Hodgkin's lymphomaC82–86, C96≤21811.631.550.92 to 2.45
>2910.200.880.40 to 1.67
Multiple myelomaC90≤245.440.730.20 to 1.88
>234.490.670.14 to 1.95
LeukaemiaC91–95≤2912.680.710.32 to 1.35
>21310.741.210.64 to 2.07
Lymphoid/haematopoietic tissueC81–96≤23732.601.130.80 to 1.56
>23028.041.070.72 to 1.53
Alcohol-related cancers*≤22817.041.641.09 to 2.38
>21014.730.680.33 to 1.25
Low-survival cancers*≤28475.371.110.89 to 1.38
>26360.191.050.80 to 1.34
Non-low-survival cancers*≤2356295.871.201.08 to 1.34
>2279249.881.120.99 to 1.26
  • Follow-up 1953–2021. Short-term service (≤2 years); n=1320, 56 402 person-years; long term service (>2 years): n=1343, 53 662 person-years.

  • *See footnotes in table 2.

  • ICD-10, International Classification of Diseases, 10th revision.