Lowry R B, Tischler B, Cockcroft W H, Renwick D H
Can Med Assoc J. 1972 Jun 24;106(12):1299-302.
The incidence of PKU in British Columbia in the 1950-1971 period is 1/18,750 which corresponds to that found in two other Canadian studies.(2, 3) Evidence is presented which shows a trend toward a decline in incidence; however, this is not statistically significant. There is a preponderance of male cases in all age groups.
1950年至1971年期间，不列颠哥伦比亚省苯丙酮尿症的发病率为1/18,750，这与加拿大其他两项研究的结果相符。（2, 3）有证据表明发病率呈下降趋势；然而，这在统计学上并不显著。所有年龄组中男性病例居多。
