A method for detecting an analyte in body fluids is disclosed. The method includes the steps of: a) providing a sample of body fluids (122) to a test element (120), the test element (120) comprising (i) at least one (Ii) a capillary element 126 configured to guide the sample 122 across the test field 128 in the flow direction 146, (iii) a test field 128 comprising the test material 128, First and second measurement positions 158 and 160 in the test field 128 where the second measurement position 160 is offset from the first measurement position 158 in the flow direction 146. The first and second measurement positions 158 and 160, Providing a sample of the body fluids (122) to the test element (120) comprising at least a second measurement location (158, 160)； b) measuring at least one measurable property at the first measurement location (158) to produce at least one first measurement value； c) measuring at least one measurable property at the second measurement location (160) to generate at least one second measurement； d) detecting an analyte by using an evaluation algorithm having at least two input variables, wherein: (i) the first input variable of at least one of the at least two input variables comprises a first measured value and a second measured value, (Ii) at least one second input variable of at least one of the two input variables includes information about the difference between the measured values of the test material 130, Detecting an analyte by using an evaluation algorithm having at least two input variables including measurement information for the water-induced change.체액에서 분석물을 검출하는 방법이 개시된다. 이 방법은: a) 체액의 샘플 (122) 을 테스트 엘리먼트 (120) 에 제공하는 단계로서, 상기 테스트 엘리먼트 (120) 는 (i) 분석물의 존재시 적어도 하나의 측정가능한 속성을 변경하도록 구성된 적어도 하나의 테스트 재료 (130) 를 포함하는 테스트 필드 (128), (ii) 유동 방향 (146) 으로 상기 테스트 필드 (128) 에 걸쳐 샘플 (122) 을 가이드하도록 구성된 모세관 엘리먼트 (126), (iii) 상기 테스트 필드 (128) 내의 제 1 및 제 2 측정 위치 (158, 160) 로서, 여기서 제 2 측정 위치 (160) 는 유동 방향 (146) 으로 제 1 측정 위치 (158) 로부터 오프셋되는, 그
