Skip to main content

Table 2 Difference in Hb readings (mean, 95% CI) between autoanalyzer (reference) and index tests in different categories of anemia

From: Diagnostic accuracy of point-of-care devices for detection of anemia in community settings in India

Type of deviceDeviceAll readings (Hb 2–20 g/dl)Moderate and severe anemia (Hb < 10 g/dl)Severe anemia (Hb < 7 g/dl)
Invasive devicesHemocue (venous)0.47 (0.42 to 0.52)0.82 (0.71 to 0.92)0.92 (0.81 to 1.02)
Hemocue (capillary)0.18 (0.11 to 0.25)0.70 (0.58 to 0.82)0.84 (0.66 to 1.03)
True Hb (venous)−0.28(− 0.36 to 0.20)−0.23(− 0.41 to − 0.04)0.05(− 0.52 to 0.63)
True Hb (capillary)−0.22(− 0.35 to − 0.09)−0.23(− 0.43 to − 0.03)−0.06(− 0.71 to 0.58)
Non invasive devicesMassimo (technician)0.06(−0.10 to 0.24)1.7 (1.55 to 1.97)−0.39(−1.37 to 0.57)
Massimo (ANM)0.47 (0.37 to 0.58)1.7 (1.56 to 1.98)1.10 (0.20 to 1.99)
AJO (technician)0.43 (0.17 to 0.69)2.6 (2.07 to 3.2)3.84 (2.62 to 5.06)
AJO (ANM)0.71 (0.46 to 0.96)2.5 (1.88 to 3.12)4.1 (2.6 to 5.6)