condition mean min max ZT0-3 5830.7 5830.7 5830.7 ZT4-7 4825.4 4825.4 4825.4 ZT8-11 4988.6 4988.6 4988.6 ZT12-15 5138.35 5138.35 5138.35 ZT16-19 5365.75 5365.75 5365.75 ZT20-23 5840.1 5840.1 5840.1