condition mean min max ZT0-3 45.998 45.998 45.998 ZT4-7 35.1848 35.1848 35.1848 ZT8-11 39.3905 39.3905 39.3905 ZT12-15 42.0865 42.0865 42.0865 ZT16-19 40.8792 40.8792 40.8792 ZT20-23 37.02645 37.02645 37.02645