condition mean min max ZT0-3 427.95 427.95 427.95 ZT4-7 436.6 436.6 436.6 ZT8-11 415.25 415.25 415.25 ZT12-15 413.15 413.15 413.15 ZT16-19 524.8 524.8 524.8 ZT20-23 474.8 474.8 474.8