Campos Gustavo Constantino De, Kohara Marcelo Tomio, Rezende Marcia Uchoa, Santana Olga Fugiko Magashima, Moreira Merilu Marins, Camargo Olavo Pires De
Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, São Paulo, SP, Brazil, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
Acta Ortop Bras. 2014;22(5):256-9. doi: 10.1590/1413-78522014220500980.
To evaluate the consistency of the questionnaires (WOMAC, Lequesne, VAS, SF 36-PCS and SF 36-MCS) when applied in patients with osteoarthritis of the knees (KOA) verifying if age and level of education interfere with the completion of the questionnaires.
One hundred and two patients with KOA answered WOMAC, LESQUESNE, VAS and SF-36 questionnaires and provided data correlated with age and education. The internal consistency of the WOMAC questionnaire was verified with Cronbach's alpha. Pearson's correlations between the questionnaires, age and educational level was performed.
Mean age was 65 years old. Schooling averaged 7.94 years; WOMAC 47.95; VAS 63.57; Lequesne 12.29; PCS and MCS 31.91 43.68. Cronbach's alpha for WOMAC 0.9. Education did not affect WOMAC response (r=-0.182, p = 0.067) and MCS (r=0.021 / p=0.835), but showed weak but significant correlation with VAS (r=-0.264 / p=0.007), Lequesne (r=0.277, p=0.005) and PCS (r=0.309/ p=0.002). Age showed significant direct correlation only with PCS (r=0.205, p=0.039).
The level of education does not interfere with the completion of WOMAC but may interfere with completing VAS, Lequesne and physical component of SF-36. Level of Evidence II, Retrospective Study.
评估问卷（WOMAC、Lequesne、视觉模拟评分法（VAS）、简明健康状况调查量表身体功能分量表（SF 36 - PCS）和简明健康状况调查量表精神健康分量表（SF 36 - MCS））应用于膝骨关节炎（KOA）患者时的一致性，验证年龄和教育程度是否会影响问卷的填写。
102例KOA患者回答了WOMAC、LESQUESNE、VAS和SF - 36问卷，并提供了与年龄和教育程度相关的数据。用克朗巴哈系数（Cronbach's alpha）验证WOMAC问卷的内部一致性。对问卷、年龄和教育程度进行Pearson相关性分析。
平均年龄为65岁。受教育年限平均为7.94年；WOMAC评分为47.95；VAS评分为63.57；Lequesne评分为12.29；PCS评分为31.91，MCS评分为43.68。WOMAC的克朗巴哈系数为0.9。教育程度不影响WOMAC的回答（r = - 0.182，p = 0.067）和MCS（r = 0.021，p = 0.835），但与VAS（r = - 0.264，p = 0.007）、Lequesne（r = 0.277，p = 0.005）和PCS（r = 0.309，p = 0.002）显示出微弱但显著的相关性。年龄仅与PCS显示出显著的正相关（r = 0.205，p = 0.039）。
教育程度不影响WOMAC问卷的填写，但可能会影响VAS、Lequesne问卷以及SF - 36身体功能分量表的填写。证据等级II，回顾性研究。
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