condition mean min max ZT0-3 1530.25 1530.25 1530.25 ZT4-7 917.2 917.2 917.2 ZT8-11 1170.65 1170.65 1170.65 ZT12-15 1132.0 1132.0 1132.0 ZT16-19 1276.85 1276.85 1276.85 ZT20-23 1665.75 1665.75 1665.75