condition mean min max ZT0-3 345.1 345.1 345.1 ZT4-7 332.3 332.3 332.3 ZT8-11 305.1 305.1 305.1 ZT12-15 477.2 477.2 477.2 ZT16-19 484.15 484.15 484.15 ZT20-23 400.6 400.6 400.6