condition mean min max ZT0-3 432.7 432.7 432.7 ZT4-7 382.3 382.3 382.3 ZT8-11 380.1 380.1 380.1 ZT12-15 407.85 407.85 407.85 ZT16-19 464.4 464.4 464.4 ZT20-23 535.05 535.05 535.05