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2010年至2011年中国东部和西部地区成人单发跖骨骨折的流行病学对比分析

Epidemiological investigation of adult single metatarsal fractures in the east areas and west areas in China from 2010 through 2011

摘要:

目的 对比分析我国东部地区与西部地区成人单发跖骨骨折的流行病学特征.方法 回顾性比较分析2010年1月至201 1年12月我国东部地区和西部地区63所医院诊治的成人单发跖骨骨折患者资料,记录患者的性别、年龄及骨折分型等.将东部地区35所医院的患者资料定义为A组,西部地区28所医院的患者资料定义为B组,对比分析两组患者的性别、年龄、骨折分型和骨折部位.结果 A组4 779例,B组1 708例,A组成人单发跖骨骨折占同期成人足部骨折的21.28%(4 779/22 455),低于B组的26.88%(1 708/6 354);A组成人单发跖骨骨折占同期成人全身骨折的2.48%(4 779/192 991),高于B组的2.10%(1 708/81 143),以上差异均有统计学意义(P<0.05).A、B组男女比分别为1.21:1和1.48:1,差异有统计学意义(x2=11.768,P=0.001).A组患者中位数年龄(43岁)大于B组(40岁),差异有统计学意义(Z=-6.275,P<0.001).A组21 ~30岁(19.02%)、31 ~40岁(18.62%)年龄段患者跖骨骨折构成比低于B组(22.66%、21.60%),51 ~60岁(21.09%)年龄段患者跖骨骨折构成比高于B组(14.64%);A组患者87-A型(40.18%)、87-C型(5.52%)骨折构成比低于B组(44.38%、8.20%),而87-B型(54.30%)骨折构成比高于B组(47.42%),以上差异均有统计学意义(P<0.05).两组跖骨骨折部位分布构成比比较差异无统计学意义(P>0.05).结论 东、西部地区均以第5跖骨的发病率最高,跖骨近端骨折构成比最高,西部地区单发跖骨骨折的构成比、男性骨折的构成比均高于东部地区.

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abstracts:

Objective To analyze and compare epidemiological characteristics of adult single metatarsal fractures between the east and west areas in China from 2010 through 2011.Methods Thirty-five hospitals in the east area (group A) and 28 hospitals in the west area (group B) participated in this epidemiological investigation of adult single metatarsal fractures treated from January 2010 through December 2011.Data concerning gender,age and fracture location and type were documented and compared between groups A and group B.Results There were 4,779 fractures in group A and 1,708 in group B,accounting for 21.28% (4,779/22,455) and 26.88% (1,708/6,354) of the adult foot fractures,and 2.48% (4,779/192,991) and 2.10% (1,708/81,143) of all the adult fractures,respectively,showing significant differences between the 2 groups (P < 0.05).The ratio of male to female was 1.21:1 in group A and 1.48:1 in group B,showing a significant difference (x2 =11.768,P =0.001).The median age of group A (43 years) was significantly older than that of group B (40 years) (Z =-6.275,P < 0.001).The proportions of the patients aged from 21 to 30 years (19.02%) and of those aged from 31 to 40 years (18.62%) in group A were significantly lower than those in group B (22.66% and 21.60%),but the proportion of the patients aged from 51 to 60 years in group A (21.09%) was significantly higher than that in group B (14.64 %) (P < 0.05).The proportions of type 87-A (40.18%) and type 87-C (5.52%) in group A were significantly lower than those in group B (44.38% and 8.20%),but the proportion of type 87-B in group A (54.30%) was significantly higher than that in group B (47.42%) (P < 0.05).There was no significant difference between the 2 groups in the distribution of fracture locations (P > 0.05).Conclusions The most common single metatarsal fracture was that of the fifth metatarsal bone and the fractures of proximal metatarsal bone accounted for the largest proportion in both the cast and west areas.The west area had higher proportions of male patients and single metatarsal fracture than the east area.

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