condition mean min max ZT0-3 124.9 124.9 124.9 ZT4-7 205.0 205.0 205.0 ZT8-11 185.7 185.7 185.7 ZT12-15 198.7 198.7 198.7 ZT16-19 145.2 145.2 145.2 ZT20-23 172.1 172.1 172.1