condition mean min max ZT0-3 2533.6 2533.6 2533.6 ZT4-7 2509.3 2509.3 2509.3 ZT8-11 2728.15 2728.15 2728.15 ZT12-15 2836.2 2836.2 2836.2 ZT16-19 2972.15 2972.15 2972.15 ZT20-23 2876.9 2876.9 2876.9