The mean Oswestry Disability Index questionnaire score of steroid-group's patients was statistically significant lower than that of the WFI-group at all postinjection re-evaluations.
激素组中的患者Oswestry功能残障指数评分在注射后所有的再评估中均明显低于注射用水组。
Patients were assessed before injection using the Verbal Pain Score (VPS) and the Oswestry Disability Index (ODI). They were reassessed after 6 weeks using the same outcome measures.
注射前用Verbal疼痛评分系统（VPS）及Oswestry功能障碍指数（ODI）对患者进行评价，6周后采用同样的疗效指标再次评价。
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