Table 5.

SIR of uranium-exposed workers

Cancer type	Included trials	Participants	Statistical method	SIR (95% CI)	p value
All malignant neoplasms	3	8,858	M-H, fixed effect	0.89 (0.80 to 0.98)	0.01
Lung cancer	3	8,858	M-H, fixed effect	1.00 (0.81 to 1.23)	1
Kidney cancer	3	8,858	M-H, random effects	0.48 (0.22 to 1.01)	0.05
Bladder cancer	3	8,858	M-H, fixed effect	0.88 (0.59 to 1.32)	0.53
Leukemia and aleukemia	2	6,244	M-H, fixed effect	0.82 (0.41 to 1.67)	0.59
Non-Hodgkin's lymphoma	3	8,858	M-H, fixed effect	0.95 (0.52 to 1.75)	0.88
Prostate cancer	2	6,151	M-H, fixed effect	0.88 (0.68 to 1.15)	0.36
Central nervous system cancer	3	8,858	M-H, fixed effect	1.46 (0.72 to 2.96)	0.29
Bone cancer	2	5,858	M-H, random effects	1.00 (0.06 to 15.98)	1
Stomach cancer	2	6,244	M-H, fixed effect	0.84 (0.50 to 1.41)	0.51
Pancreas cancer	2	6,244	M-H, fixed effect	0.72 (0.35 to 1.47)	0.37
Esophagus cancer	2	6,244	M-H, fixed effect	0.73 (0.29 to 1.81)	0.49
Colon cancer	3	8,858	M-H, fixed effect	0.90 (0.63 to 1.29)	0.58
Rectum cancer	2	6,244	M-H, fixed effect	0.83 (0.51 to 1.35)	0.45

M-H = Mantel-Haenszel statistics.