condition mean min max ZT0-3 1528.85 1528.85 1528.85 ZT4-7 1257.6 1257.6 1257.6 ZT8-11 1382.5 1382.5 1382.5 ZT12-15 1511.6 1511.6 1511.6 ZT16-19 1724.9 1724.9 1724.9 ZT20-23 1734.4 1734.4 1734.4