condition mean min max ZT0-3 106.03175 98.02275 110.761 ZT4-7 93.8012 93.8012 93.8012 ZT8-11 91.3939 91.3939 91.3939 ZT12-15 127.19475 124.139 130.2505 ZT16-19 119.162 119.162 119.162 ZT20-23 135.956 135.956 135.956