Overall scores of HRQoL instruments.

aP<0.001 with Manny-Whitney U-test. bP<0.001 with multiple linear regression adjusted for age, gender, insurance, work status, income, education, and marriage status. cIQR: inter-quartile range.a：采用曼-惠特尼U检验（Mann-Whitney U-test），P<0.001。 b：采用校正了年龄、性别、保险状况、工作状态、收入、教育程度及婚姻状况的多元线性回归分析，P<0.001。 c：四分位数间距（inter-quartile range，IQR）。