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对海宁市１９７７～１９８８年子宫颈癌发病率进行流行病学研究分析，资料表明：于宫颈癌年发病率居女性主要恶性肿瘤的第七位。其发病率存在着地区分布差异，有１３个乡镇的年发病率高于总平均水平，其中位于西南的盐官镇最高，为１２．８０／１０万。有１５个乡镇低于总平均水平，其中以东南的朝阳乡最低，为２．７３／１０万，高低相差３．６９倍。与国内一些城市以及和某些国家相比，海宁市子宫颈癌发病率处于较低水平。海宁市子宫颈癌的发病率从１９７７的１０．７２／１０万下降到１９８９年的２．９６／１０万，具有下降趋势（ｘ２＝１５．４１，Ｐ＜０．０１）。
The epidemiological study on the incidence of cervical cancer from 1977 to 1988 in Haining City shows that the annual incidence of cervical cancer ranks the seventh in the major malignant tumors in women. There are regional differences in the incidence of incidence, annual incidence of 13 townships higher than the average overall level, of which the highest town in the southwest of Yan Guan, 12.80 / 100,000. There are 15 towns and villages below the overall average, of which the lowest is Chaoyang Township in the southeast of 2.73 / 100,000, with a difference of 3.69 times. Compared with some domestic cities and some countries, the incidence of cervical cancer in Haining City is at a low level. The incidence of cervical cancer in Haining dropped from 10.72 / 100000 in 1977 to 2.96 / 100000 in 1989, with a decreasing trend (x2 = 15.41, P <0.01).