冰球运动员中King-Devick脑震荡测试的效度指标

Validity Indices of the King-Devick Concussion Test in Hockey Players.

作者信息

Krause David A, Hollman John H, Breuer Logan T, Stuart Michael J

机构信息

Mayo Clinic Program in Physical Therapy, Mayo Clinic College of Medicine and Science, Rochester, Minnesota.

Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota.

出版信息

Clin J Sport Med. 2022 May 1;32(3):e313-e315. doi: 10.1097/JSM.0000000000000938. Epub 2021 May 7.

DOI:10.1097/JSM.0000000000000938

PMID:34009786

Abstract

OBJECTIVE

To compare the validity indices of the King-Devick (KD) test in hockey players using any increase in test time over baseline to a 6-second increase as a positive concussion test. We hypothesized the KD test using the 6-second change would yield greater validity indices.

DESIGN

Prospective observational cohort study.

SETTING

Sports complex.

PARTICIPANTS

Sixty-five male hockey players aged 13 to 20 years.

INDEPENDENT VARIABLE

Concussion diagnosis.

MAIN OUTCOME MEASURES

Time to complete the KD test. Sensitivity (SN), specificity (SP), and the positive likelihood ratios (LRs+) were calculated using 2 thresholds for a positive test: (1) any increase in time and (2) an increase of 6 seconds or greater.

RESULTS

Eighteen players (27.7%) were diagnosed with a concussion. Using any increase in time as a positive test yielded the following: SN 72.2%, SP 78.7%, LR+ 3.4, and LR- 0.4. Using the 6-second threshold yielded the following: SN 44.4%, SP 93.6%, LR+ 7.0, and LR- 0.6. A receiver operator curve analysis confirmed 6.40 seconds or greater maximized the LR+.

CONCLUSIONS

A 6-second or greater increase in the KD test performance provides greater validity in diagnosing concussion as compared with any increase in performance time.

摘要

目的

比较在曲棍球运动员中使用国王-德维克（KD）测试的有效性指标，将测试时间相对于基线的任何增加与增加6秒作为阳性脑震荡测试进行比较。我们假设使用6秒变化的KD测试将产生更高的有效性指标。

设计

前瞻性观察队列研究。

地点

体育综合设施。

参与者

65名年龄在13至20岁之间的男性曲棍球运动员。

自变量

脑震荡诊断。

主要观察指标

完成KD测试的时间。使用阳性测试的两个阈值计算敏感性（SN）、特异性（SP）和阳性似然比（LR+）：（1）时间的任何增加和（2）增加6秒或更多。

结果

18名运动员（27.7%）被诊断为脑震荡。将时间的任何增加作为阳性测试得出以下结果：SN 72.2%，SP 78.7%，LR+ 3.4，LR- 0.4。使用6秒阈值得出以下结果：SN 44.4%，SP 93.6%，LR+ 7.0，LR- 0.6。受试者工作特征曲线分析证实，6.40秒或更长时间可使LR+最大化。