Mean of log
transformed parasite counts. Bland-Altman plot of log10-transformed parasitaemia data showing difference means and upper and lower 95% limits of agreement. (a) Agreement of LM and uvFM. (b) Agreement of LM and ledFM (400 ×). (c) Agreement of LM and ledFM (1,000 ×). (d) Inter-observer-agreement within LM. Note: The divergent results outside the 95%-LOA are due to discordant readings between the methods except one in figure 1c. They are all occurring in low parasitaemia.