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作者1985年～1993年间诊治并拍摄颈椎X线片的患者中选取三组进行分析研究。无慢性关节炎(RA)和外伤史,寰椎、枢椎齿状突间距离(ADI)在4mm以上的患者为失稳定组,共13例。男性6例,女性7例。年龄10～78岁。100例ADI在4mm以下的稳定组为对照组,男性50例,女性50例。同时有17例伴有关节炎且ADI在4mm以上者为RA组,男性2例,女性15例。3组间年龄无显著差异。性别比较失稳组与稳定组无差异,但RA组和其它两组比较女性多(P<0.05)。分别统计分析如下各项:ADI:寰椎关节
The author from 1985 to 1993, diagnosis and treatment of cervical X-ray film were selected from the three groups for analysis. No history of chronic arthritis (RA) and trauma, atlantoaxial, odontoid odontoid distance (ADI) in patients with more than 4mm destabilization group, a total of 13 cases. 6 males and 7 females. Aged 10 to 78 years old. 100 cases of ADI in the stable group of 4mm or less as the control group, 50 males and 50 females. At the same time there are 17 cases with arthritis and ADI in the 4mm above were RA group, 2 males and 15 females. There was no significant difference in age between the three groups. There was no difference in the gender between the unstable group and the stable group, but there were more women in the RA group and the other two groups (P <0.05). Statistical analysis of the following items: ADI: atlas joint