condition mean min max ZT0-3 339.8485 339.8485 339.8485 ZT4-7 373.772 373.772 373.772 ZT8-11 326.826 326.826 326.826 ZT12-15 196.6585 196.6585 196.6585 ZT16-19 181.249 181.249 181.249 ZT20-23 284.69449999999995 284.69449999999995 284.69449999999995