condition mean min max ZT0-3 405.9 405.9 405.9 ZT4-7 402.7 402.7 402.7 ZT8-11 393.05 393.05 393.05 ZT12-15 348.6 348.6 348.6 ZT16-19 436.20000000000005 436.20000000000005 436.20000000000005 ZT20-23 451.9 451.9 451.9