condition mean min max ZT0-3 58.2 58.2 58.2 ZT4-7 112.8 112.8 112.8 ZT8-11 108.7 108.7 108.7 ZT12-15 151.55 151.55 151.55 ZT16-19 50.4 50.4 50.4 ZT20-23 120.55000000000001 120.55000000000001 120.55000000000001