condition mean min max ZT0-3 35.490916666666664 24.76265 43.35565 ZT4-7 16.59185 16.59185 16.59185 ZT8-11 20.07275 20.07275 20.07275 ZT12-15 27.198500000000003 26.5773 27.8197 ZT16-19 27.2484 27.2484 27.2484 ZT20-23 39.7535 39.7535 39.7535