condition mean min max ZT0-3 485.2335 485.2335 485.2335 ZT4-7 464.0075 464.0075 464.0075 ZT8-11 465.9775 465.9775 465.9775 ZT12-15 467.533 467.533 467.533 ZT16-19 442.8445 442.8445 442.8445 ZT20-23 510.8415 510.8415 510.8415