Liquid crystal thermometry for the detection of neonatal hypothermia in Nepal

Journal of Tropical Pediatrics
N ManandharA M de L Costello

Abstract

We assessed the sensitivity, specificity and likelihood ratio of a low cost liquid crystal strip thermometer (LCT) compared with axillary mercury thermometry for the detection of neonatal hypothermia in Nepal. The subjects were 76 healthy newborns in the government maternity hospital of Kathmandu, Nepal in winter. The validity of LCT for the detection of neonatal hypothermia (less than 36 degrees C) showed a sensitivity of 83 per cent, specificity 96 per cent, positive predictive value 98 per cent and a likelihood ratio of 23. Use of LCT on newborns in this setting raises a measured pretest probability of first day hypothermia of 63 per cent to a post-test probability of 97 per cent. Liquid crystal thermometry is a simple, low-cost, and valid method for identifying core hypothermia in newborns. It is ideal for isolated rural communities where LCT strips could be added to delivery kits.

Citations

Sep 15, 2005·Archives of Disease in Childhood. Fetal and Neonatal Edition·D A GreenR Khanna
Dec 21, 2017·BMC Pregnancy and Childbirth·Karsten LunzeDavid E Bloom
Jun 30, 2016·Medical Anthropology Quarterly·Holly Donahue Singh
Jul 26, 2002·Tropical Doctor·Matthew Ellis
Nov 2, 2006·British Journal of Nursing : BJN·P WoodrowM McHenry

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