condition mean min max ZT0-3 286.9 286.9 286.9 ZT4-7 232.7 232.7 232.7 ZT8-11 285.9 285.9 285.9 ZT12-15 390.5 390.5 390.5 ZT16-19 387.7 387.7 387.7 ZT20-23 352.45000000000005 352.45000000000005 352.45000000000005