![]() ![]() Vision ALD was associated with savings of around £15–£25 per patient when administration in lower-cost community healthcare avoided a referral to a higher-cost secondary-care centre. ![]() The EAC revised the sponsor’s model and found the results were most sensitive to clinician costs. The EAC felt that some costs were unjustified and the model did not include infection outcomes or use in a community setting. In the sponsor’s cost-consequence model only patients with a positive Vision ALD result would have a speculum examination, producing a cost saving of around £10 per patient. ![]() A negative result would therefore allow patients to be discharged with confidence. The EAC recalculated the diagnostic accuracy of Vision ALD using speculum examination as the comparator: sensitivity of 97 % (95 % CI 93–99 %), negative predictive value of 96 % (95 % CI 92–98 %). Two of these three used an inappropriate comparator. The sponsor (CommonSense Ltd) identified five studies, of which three were deemed within scope by the External Assessment Centre (EAC). It was evaluated by the UK National Institute for Health and Care Excellence (NICE) as part of the Medical Technologies Evaluation Programme. The Vision Amniotic Leak Detector (ALD) is a panty liner that can diagnose amniotic fluid as a cause of vaginal wetness. Where this is not overt a speculum examination is undertaken to confirm diagnosis. In prelabour rupture of membranes (PROM) or preterm PROM the amniotic membranes rupture prior to labour. ![]()
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