condition mean min max ZT0-3 96.4 96.4 96.4 ZT4-7 350.7 350.7 350.7 ZT8-11 326.5 326.5 326.5 ZT12-15 209.7 209.7 209.7 ZT16-19 92.2 92.2 92.2 ZT20-23 89.65 89.65 89.65