condition mean min max ZT0-3 2760.25 2760.25 2760.25 ZT4-7 2475.4 2475.4 2475.4 ZT8-11 2447.3 2447.3 2447.3 ZT12-15 2070.95 2070.95 2070.95 ZT16-19 2465.65 2465.65 2465.65 ZT20-23 2767.05 2767.05 2767.05