condition mean min max ZT0-3 359.0 359.0 359.0 ZT4-7 376.9 376.9 376.9 ZT8-11 421.7 421.7 421.7 ZT12-15 417.2 417.2 417.2 ZT16-19 410.25 410.25 410.25 ZT20-23 365.95000000000005 365.95000000000005 365.95000000000005