condition mean min max ZT0-3 316.15 316.15 316.15 ZT4-7 505.5 505.5 505.5 ZT8-11 475.45 475.45 475.45 ZT12-15 292.45 292.45 292.45 ZT16-19 238.5 238.5 238.5 ZT20-23 256.2 256.2 256.2