Table 2.

Observed (Obs) and expected (Exp) numbers of cancer cases and standardised incidence ratios (SIR) with 95% CIs among workers at Tornio Works during 1967–2011, by site

Primary site Exp SIR 95% CI	Obs	Exp	SIR	95% CI
All sites	408	395.8	1.03	0.93 to 1.13
Mouth, pharynx	12	10.3	1.16	0.60 to 2.03
Oesophagus	4	4.6	0.86	0.24 to 2.20
Stomach	12	14.9	0.80	0.42 to 1.40
Colon	22	16.8	1.30	0.82 to 1.97
Rectum	14	13.3	1.06	0.58 to 1.77
Liver	4	5.2	0.78	0.21 to 1.98
Gallbladder	4	2.5	1.58	0.43 to 4.03
Pancreas	16	13.1	1.22	0.70 to 1.98
Nose, sinuses	2	1.0	2.05	0.25 to 7.42
Larynx	4	3.4	1.19	0.33 to 3.05
Lung, bronchus	37	47.0	0.79	0.55 to 1.08
Breast	31	30.8	1.01	0.68 to 1.42
Cervix uteri	20	16.7	1.20	0.73 to 1.85
Corpus uteri	7	4.5	1.54	0.62 to 3.18
Ovary	2	4.0	0.50	0.06 to 1.81
Prostate	89	67.8	1.31	1.05 to 1.61*
Testis	5	6.4	0.78	0.25 to 1.83
Kidney	6	15.8	0.38	0.14 to 0.82**
Bladder	14	14.0	1.00	0.55 to 1.67
Skin melanoma	24	16.7	1.44	0.92 to 2.14
Other skin	5	7.6	0.66	0.21 to 1.53
Brain/nervous system	18	19.3	0.93	0.55 to 1.47
Thyroid	10	13.7	0.73	0.35 to 1.34
Soft tissue	3	3.7	0.82	0.17 to 2.40
Hodgkin lymphoma	3	5.8	0.52	0.11 to 1.50
Non-Hodgkin lymphoma	24	19.1	1.26	0.81 to 1.87
Multiple myeloma	6	4.6	1.32	0.48 to 2.86
Leukaemia	15	11.5	1.31	0.73 to 2.15
Not included above: skin, basal cell carcinoma	88	70.3	1.25	1.00 to 1.54*

Included are sites with Exp>2, and nasal cancer because of a priori interest.

*p<0.05.

**p<0.01.