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Assessment of the severity of hand injuries using "hand injury severity score", and its correlation with the
P Saxena1, L Cutler, L Feldberg
1Whiston General Hospital, Warrington Road, Whiston L35 5DR, UK. saxena2@hotmail.com
Introduction:
Objective assessment of hand injuries is a complex subject. However, an objective assessment, leading to a score, can help in predicting outcome and can be used as a research tool. Campbell and Kay have devised one such score known as "hand injury severity score" or HISS [J. Hand. Surg. [Br.] 21 (3) (1996) 295]. A study on this score has been carried out in our institute. The idea was to see if the hand injury severity score, correlates with the functional outcome as measured by disability arm shoulder and hand score (DASH), after a period of minimum 2 years.
Method:
All the hand injury patients admitted in the hospital were assessed at the time of admission, and objective information was documented on a hand injury documentation form. The form captured all the data required to calculate "hand injury severity score" . A sample of 70 patients admitted during the first 6 months of 1999 was taken and their scores were calculated. The sample was selected such, that it had a reasonable representation of hand injuries of all severities. After obtaining a due approval from ethics committee, all these 70 patients were sent a DASH questionnaire. A total of 23 patients replied. Spearman's rank correlation test was used to analyse the correlation between the severity of hand injury as assessed using HISS, and functional outcome as measured using DASH. Correlations between the outcome and skeletal component score, outcome and motor component scores, and outcome and Integument component scores, were assessed separately.
Results:
The study shows a statistically significant association ( r = 0.7182, P = 0.000165) between the severities of injury and the functional outcome. The functional outcome also shows a statistically significant association with the severity of injury to skeletal component (r = 0.5151, P = 0.014083) and motor component (r = 0.6797, P = 0.000507). However, the severity of injury to integument component, as measured by HISS, does not show any association with the outcome (r = 0.3571, P = 0.102736). This study supports the overall structure of the HISS. However an improvement in the integument component scoring is required to improve overall accuracy.
