Review Article

Association between MnSOD Val16Ala Polymorphism and Cancer Risk: Evidence from 33,098 Cases and 37,831 Controls

Table 3

False-positive report probability values for associations between cancer risk and MnSOD Val16Ala polymorphism.

GenotypeCrude OR (95% CI) valueaStatistical powerbPrior probability
0.250.10.010.0010.0001

All
Homozygous1.09 (1.00–1.19)0.0541.0000.1400.3280.8430.9820.998
Heterozygous1.07 (1.02–1.12)0.0041.0000.0110.0320.2670.7870.974
Dominant1.08 (1.02–1.14)0.0051.0000.0160.0450.3430.8400.981
Allele comparison1.06 (1.02–1.11)0.0131.0000.0380.1060.5670.9300.992
Cancer type—prostate cancer
Heterozygous1.14 (1.05–1.24)0.0021.0000.0070.0200.1830.6930.958
Dominant1.14 (1.05–1.23)0.0011.0000.0020.0060.0670.4200.879
Allele comparison1.07 (1.00–1.15)0.0661.0000.1650.3720.8670.9850.998
Ethnicity—Asian
Homozygous1.82 (1.15–2.88)0.0110.2040.1340.3170.8360.9810.998
Recessive1.76 (1.16–2.68)0.0080.2280.1000.2490.7850.9740.997
Ethnicity–Caucasian
Heterozygous1.08 (1.03–1.13)0.0011.0000.0030.0080.0780.4620.896
Dominant1.08 (1.02–1.14)0.0051.0000.0160.0450.3430.8400.981
Allele comparison1.04 (1.00–1.09)0.1021.0000.2340.4780.9100.9900.999
Control source—PB
Homozygous1.10 (1.01–1.19)0.0181.0000.0500.1360.6340.9460.994
Heterozygous1.07 (1.02–1.12)0.0041.0000.0110.0320.2670.7870.974
Dominant1.07 (1.02–1.13)0.0151.0000.0430.1190.5990.9380.993
Allele comparison1.04 (1.00–1.08)0.0421.0000.1110.2730.8050.9770.998
Control source—HB
Recessive1.16 (1.01–1.34)0.0441.0000.1160.2820.8120.9780.998
Allele comparison1.13 (1.03–1.24)0.0101.0000.0290.0820.4950.9080.990
Quality score—low
Allele comparison1.12 (1.02–1.23)0.0181.0000.0510.1380.6370.9470.994
Quality score—high
Homozygous1.08 (1.00–1.17)0.0591.0000.1510.3490.8550.9830.998
Heterozygous1.07 (1.02–1.13)0.0151.0000.0430.1190.5990.9380.993
Dominant1.07 (1.02–1.14)0.0361.0000.0980.2470.7830.9730.997
Allele comparison1.04 (1.00–1.09)0.1021.0000.2340.4780.9100.9900.999

aChi-square test was used to calculate the genotype frequency distributions; bstatistical power was calculated using the number of observations in the subgroup and the OR and values in this table.