condition mean min max ZT0-3 478.4915 478.4915 478.4915 ZT4-7 388.502 388.502 388.502 ZT8-11 288.6225 288.6225 288.6225 ZT12-15 217.00349999999997 217.00349999999997 217.00349999999997 ZT16-19 388.91650000000004 388.91650000000004 388.91650000000004 ZT20-23 450.6645 450.6645 450.6645