condition mean min max ZT0-3 705.6 705.6 705.6 ZT4-7 801.3 801.3 801.3 ZT8-11 890.7 890.7 890.7 ZT12-15 884.25 884.25 884.25 ZT16-19 758.45 758.45 758.45 ZT20-23 788.2 788.2 788.2