condition mean min max ZT0-3 28.8104 28.8104 28.8104 ZT4-7 145.702 145.702 145.702 ZT8-11 49.83185 49.83185 49.83185 ZT12-15 20.6998 20.6998 20.6998 ZT16-19 15.8844 15.8844 15.8844 ZT20-23 22.6409 22.6409 22.6409