Table 1.
Characteristics of participants assessed for hemoglobin concentrations, N = 299.
Fig 1.
Correlation assessment of each test device (A = Apple®; B = Android®; C = Masimo Pronto®; D = HemoCue® Hb-301; E = HemoCue® Hb-801) with Hgb reference (CBC hematology analyzer).
Table 2.
Accuracy of hemoglobin assessment devices compared to reference hemoglobin.
Table 3.
Classification bias of hemoglobin measurement devices for any anemiaa,b.