condition mean min max ZT0-3 392.35 392.35 392.35 ZT4-7 423.3 423.3 423.3 ZT8-11 424.95 424.95 424.95 ZT12-15 422.45 422.45 422.45 ZT16-19 420.7 420.7 420.7 ZT20-23 356.05 356.05 356.05