condition mean min max ZT0-3 404.41785 404.41785 404.41785 ZT4-7 571.0048735 571.0048735 571.0048735 ZT8-11 738.906385 738.906385 738.906385 ZT12-15 514.4644205 514.4644205 514.4644205 ZT16-19 470.1676725 470.1676725 470.1676725 ZT20-23 408.844697 408.844697 408.844697