The DSB is an effective tool in identifying patients with major cognitive impairment. A significant association between scores on the DST and the Cantonese version of the Mini-Mental State Examination (CMMSE) was found in this study (p < 0.05 for DSF, p = 0.00 for DSB).ĭementia and delirium were prevalent, yet under-recognized, in acute medical geriatric inpatients. Word Span - Closed set - Pointing task - mixed lengths (2, 3 & 4 words. It is assessed using a nonverbal pointing task and a verbal repetition task to determine if task differences affect verbal span capacity. Regarding the detection of major cognitive impairment, the ROC curve of DSB showed a sensitivity of 0.77 and specificity of 0.78 at the optimal cutoff of <3. Test Description: The Digit/Word Span Closed Set is a test of verbal short-term memory span for digits and words. The prior case-note documentation rate was 13.2% for dementia and 2.8% for delirium. The prevalence rates of dementia alone, delirium alone and delirium superimposed on dementia were 21.5%, 9% and 9% respectively. Receiver Operating Characteristics curve (ROC) was used in conjunction with sensitivity and specificity measures to assess the performance of DST. The DST scores were compared with the psychiatrists' DSM-IV-based diagnoses. The objectives of this study were to (1) validate the Digit Span Test (DST) in the identification and differentiation of dementia and delirium and (2) determine the prevalence of major cognitive impairment in elderly people in an acute medical unit.ĭuring the study period from January to February 2010, 144 patients aged 75 years or more who had had unplanned medical admissions were assessed by nurses, using the Digit Span Forwards (DSF) and the Digit Span Backwards (DSB) tests. Provide the instructions Listen carefully as I say some numbers.
DIGIT SPAN TEST SCORING TRIAL
Childs name: Child’s D.O.B: Digits Forward Start with item 1, completing the first and second trial before proceeding to item 2. There is no valid instrument currently in use at acute-care hospitals in Hong Kong to aid the detection of cognitive impairment. Digit Memory Test (6yrs-Adult) This test can be used to identify areas of concern in order to carry out further detailed assessment.
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