condition mean min max ZT0-3 90.7 90.7 90.7 ZT4-7 71.7 71.7 71.7 ZT8-11 64.7 64.7 64.7 ZT12-15 89.35 89.35 89.35 ZT16-19 145.8 145.8 145.8 ZT20-23 90.2 90.2 90.2