Evidence-Based Medicine
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Aug 21, 2014; 20(31): 10895-10899
Published online Aug 21, 2014. doi: 10.3748/wjg.v20.i31.10895
Figure 1
Figure 1 Cortisol concentrations plot with electrochemiluminescence immunoassay vs liquid chromatography-tandem mass spectrometry loge- transformed data. LC-MS/MS: Liquid chromatographic methods coupled with mass spectrometry detection; ECLIA: Electrochemiluminescence immunoassay.
Figure 2
Figure 2 Difference between electrochemiluminescence immunoassay and liquid chromatography-tandem mass spectrometry methods using loge-transformed data. LC-MS/MS: Liquid chromatographic methods coupled with mass spectrometry detection; ECLIA: Electrochemiluminescence immunoassay.
Figure 3
Figure 3 Difference between electrochemiluminescence immunoassay and liquid chromatography-tandem mass spectrometry methods using loge-transformed data in the 12 patients with cortisol levels below the limit of quantification. LC-MS/MS: Liquid chromatographic methods coupled with mass spectrometry detection; ECLIA: Electrochemiluminescence immunoassay.