condition mean min max ZT0-3 399.05 399.05 399.05 ZT4-7 366.3 366.3 366.3 ZT8-11 386.25 386.25 386.25 ZT12-15 415.35 415.35 415.35 ZT16-19 463.5 463.5 463.5 ZT20-23 431.1 431.1 431.1