Figure 1.
Sample Study Profile, tongue pallor as index test and haemoglobin levels (less than 7 g/dL and 9 g/dL) as reference standards.
Table 1.
Haemoglobin levels across pallor categories (observer 1, n = 390).
Table 2.
Likelihood ratios (LR) for pallor grades in diagnosing anaemia.
Figure 2.
Receiver Operating Characteristics (ROC) curves for all clinical sites for detection of anaemia at haemoglobin cutoff points (a) 7 g/dL and (b) 9 g/dL.
Table 3.
Interobserver variability in assessment of anaemia (n = 128).