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Table 2 The discriminant validity of the MDASI-THY score (n = 309)

From: Translation and validation of M.D. Anderson Symptom Inventory-Thyroid Cancer module in Chinese thyroid cancer patients: a cross-sectional and methodological study

Groups Symptom severity of MDASI-THY Symptom interference of MDASI-THY
M(Q1,Q3) Z p M(Q1,Q3) Z p
Surgery   -9.999  < 0.001   -8.497  < 0.001
No (n = 65) 0(0,0)    0(0,0)   
Yes (n = 244) 1.47(0.38,2.62)    0.67(0,2.33)