condition mean min max ZT0-3 110.85 110.85 110.85 ZT4-7 118.3 118.3 118.3 ZT8-11 101.0 101.0 101.0 ZT12-15 107.15 107.15 107.15 ZT16-19 137.35 137.35 137.35 ZT20-23 108.3 108.3 108.3