Brakel, J. van

reference test reference nycocard children quikread concentration result c-reactive protein practice value nycocard crp test range study 0-70 mg /l 10 mg /l concentration range figure protein difference infection nycocard test fever 60 mg /l c-reactive crp values characteristic crp concentration quikread test measurement poct crp tests patient illness score laboratory device method testing 160 mg /l distribution 0-70 blood reference crp point-of-care laboratory technicians illness score duration crp value altman child bablok -10 mg /l patient characteristics gender finger prick regression altman plot crp measurement reference test results 24 hours netherland reference test comparison service 0.6 mg /l bablok regression plot point-of-care testing quikread crp test patient characteristics 70 mg /l 40 mg /l practice out-of-hours service +10 mg /l month cusum test p-value correlation height disease technician comparison agreement research gender