Division of Epidemiology and Public Health, University of Nottingham, Queens Medical Centre, Nottingham NG7 2UH, UK.
Br J Cancer. 2011 Jan 4;104(1):175-7. doi: 10.1038/sj.bjc.6605986. Epub 2010 Nov 30.
The ratio of digit lengths is fixed in utero, and may be a proxy indicator for prenatal testosterone levels.
We analysed the right-hand pattern and prostate cancer risk in 1524 prostate cancer cases and 3044 population-based controls.
Compared with index finger shorter than ring finger (low 2D : 4D), men with index finger longer than ring finger (high 2D : 4D) showed a negative association, suggesting a protective effect with a 33% risk reduction (odds ratio (OR) 0.67, 95% confidence interval (CI) 0.57-0.80). Risk reduction was even greater (87%) in age group <60 (OR 0.13, 95% CI 0.09-0.21).
Pattern of finger lengths may be a simple marker of prostate cancer risk, with length of 2D greater than 4D suggestive of lower risk.
手指长度比例在子宫内就已固定,可能是产前睾酮水平的替代指标。
我们分析了 1524 例前列腺癌病例和 3044 例基于人群的对照者的右手模式与前列腺癌风险。
与食指短于无名指(2D:4D 比值低)相比,食指长于无名指(2D:4D 比值高)的男性表现出负相关,表明存在保护作用,风险降低 33%(比值比 (OR) 0.67,95%置信区间 (CI) 0.57-0.80)。在<60 岁年龄组中,风险降低更为显著(87%)(OR 0.13,95% CI 0.09-0.21)。
手指长度模式可能是前列腺癌风险的简单标志物,2D 长度大于 4D 提示风险较低。