Spirometric indices and grip strength, Z-scores.

Corrected for lean body mass, nutritional intervention and study center (Munich/Wesel) as in Basic Model (Table 2.) Age and height are already corrected for in one or both Z-scores.

已按照基础模型（Basic Model，表2）的校正规则，针对瘦体重（lean body mass）、营养干预及研究中心（慕尼黑/韦瑟尔）完成校正。年龄与身高已在一项或两项Z分数（Z-score）中完成校正。