Norum Jan, Hofvind Solveig, Nieder Carsten, Schnell Edrun Andrea, Broderstad Ann Ragnhild
Institute of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway.
Int J Circumpolar Health. 2012 Apr 16;71:1-6. doi: 10.3402/ijch.v71i0.18205.
Female citizens of Sami (the indigenous people of Norway) municipalities in northern Norway have a low risk of breast cancer. The objective of this study was to describe the attendance rate and outcome of the Norwegian Breast Cancer Screening Program (NBCSP) in the Sami-speaking municipalities and a control group.
A retrospective registry-based study.
The 8 municipalities included in the administration area of the Sami language law (Sami) were matched with a control group of 11 municipalities (non-Sami). Population data were accessed from Statistics Norway. Data regarding invitations and outcome in the NBCSP during the period 2001-2010 was derived from the Cancer Registry of Norway (CRN). The NBCSP targets women aged 50-69 years. Rates and percentages were compared using chi-square test with a p-value<0.05 as statistical significant.
The attendance rate in the NBCSP was 78% in the Sami and 75% in the non-Sami population (p< 0.01). The recall rates were 2.4 and 3.3% in the Sami and non-Sami population, respectively (p<0.01). The rate of invasive screen detected cancer was not significantly lower in the Sami group (p=0.14). The percentage of all breast cancers detected in the NBCSP among the Sami (67%) was lower compared with the non-Sami population (86%, p=0.06).
Despite a lower risk of breast cancer, the Sami attended the NBCSP more frequently than the control group. The recall and cancer detection rate was lower among the Sami compared with the non-Sami group.
挪威北部萨米人（挪威原住民）自治市的女性居民患乳腺癌的风险较低。本研究的目的是描述挪威乳腺癌筛查项目（NBCSP）在讲萨米语的自治市和一个对照组中的参与率及结果。
一项基于登记处的回顾性研究。
将萨米语法律管理区域内的8个自治市（萨米地区）与11个自治市组成的对照组（非萨米地区）进行匹配。人口数据来自挪威统计局。2001年至2010年期间NBCSP的邀请和结果数据来自挪威癌症登记处（CRN）。NBCSP的目标人群为50至69岁的女性。使用卡方检验比较率和百分比，p值<0.05为具有统计学意义。
NBCSP在萨米人群中的参与率为78%，在非萨米人群中为75%（p<0.01）。萨米人群和非萨米人群的召回率分别为2.4%和3.3%（p<0.01）。萨米组中侵袭性筛查发现癌症的比例并不显著更低（p=0.14）。在NBCSP中检测出的所有乳腺癌中，萨米人所占百分比（67%）低于非萨米人群（86%，p=0.06）。
尽管患乳腺癌的风险较低，但萨米人参与NBCSP的频率高于对照组。与非萨米组相比，萨米人的召回率和癌症检出率较低。
