condition mean min max ZT0-3 651.05 651.05 651.05 ZT4-7 648.6 648.6 648.6 ZT8-11 745.55 745.55 745.55 ZT12-15 662.1 662.1 662.1 ZT16-19 601.05 601.05 601.05 ZT20-23 728.75 728.75 728.75