SPP1 and AIDS: In all three groups, there were high or moderate correlations between FL-OPN and Ud-OPN (AIDS: r = 0.89, TB: r = 0.56, AIDS/TB: r = 0.69) and between FL-Gal9 and Tr-Gal9 (AIDS: r = 0.70, TB: r = 0.56, AIDS/TB: r = 0.41).