condition mean min max ZT0-3 0.917596178 0.7692739710000001 1.065918385 ZT4-7 0.7272207265 0.561894647 0.892546806 ZT8-11 1.6756122000000002 1.5649094165000001 1.7863149835 ZT12-15 203.39678662425 124.3410092485 282.452564 ZT16-19 317.48778135 315.3121819 319.6633808 ZT20-23 437.63654447500005 370.23324850000006 505.03984045