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Table 1 General and clinical characteristics of the study subjects

From: Validity and reliability of EQ-5D-3L for breast cancer patients in Korea

Variables N (%)
Age, years   
 Less than 40 54 (6.5)
 40–49 263 (31.8)
 50–59 385 (46.6)
 60 or more 125 (15.1)
Level of education   
 Elementary school 36 (4.4)
 Middle school graduate 80 (9.7)
 High school graduate 338 (40.9)
 College or higher 371 (44.9)
Marital status   
 Married 692 (83.7)
 Widowed 45 (5.4)
 Divorced 39 (4.7)
 Unmarried 51 (6.2)
Surgery   
 Mastectomy 303 (36.6)
 Breast conserving surgery 524 (63.4)
 AJCC 7th stage at diagnosis   
 0 136 (16.5)
 1 361 (43.8)
 2 260 (31.5)
 3 68 (8.2)
Current treatment   
 Chemotherapy 26 (3.2)
 Radiotherapy 55 (6.7)
Duration of disease since diagnosis   
 <1 year 147 (17.8)
 1 - < 2 years 104 (12.6)
 2 - < 3 years 106 (12.8)
 3 - < 4 years 125 (15.1)
 4 - < 5 years 91 (11.0)
 ≥5 years 254 (30.7)