condition mean min max ZT0-3 387.688 387.688 387.688 ZT4-7 329.301 329.301 329.301 ZT8-11 326.3795 326.3795 326.3795 ZT12-15 394.249 394.249 394.249 ZT16-19 457.844 457.844 457.844 ZT20-23 422.7115 422.7115 422.7115