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Table 1 A comparison of demographic and clinicopathologic characteristics between participants and non-participants

From: Decreased health-related quality of life in disease-free survivors of differentiated thyroid cancer in Korea

Characteristics Participants (n = 316) Non-participants (n = 85) P value
Age at diagnosis (yr), mean (SD) 41.3 (9.8) 43.5 (10.2) 0.08
Gender    
   Female (%) 287 (90.8) 78 (91.5) 0.84
Marital status (%)    
   Married 274/298* (91.9) 55/63§ (87.3) 0.23
Education (%)    
   >High school graduate 178/306* (58.2) 34/64§ (53.1) 0.49
Employment status (%)    
   Employed 142/307* (46.3) 25/64§ (39.1) 0.29
Religious (%)    
   Yes 214/300* (71.3) 42/61§ (68.9) 0.67
Histology (%)    
   Papillary carcinoma 308 (97.5) 82 (97.2) 0.89
   Follicular carcinoma 8 (2.5) 3 (2.8)  
≥ Stage (AJCC6) III (%) 82 (26.5) 29 (33.8) 0.21
RAI, cumulative dose (mCi), mean (SD) 134.1 (101.1) 120.4 (83.3) 0.29
TSH (), mean (SD) 0.5 (5.8) 0.2 (0.6) 0.70
Free T3 ( ), mean (SD) 3.8 (0.9) 3.7 (1.0) 0.36
Time since remission (months), mean (SD) 37.3 (28.8) 38.9 (27.7) 0.70
  1. AJCC6, the American Joint Committee on Cancer 6; RAI, radioactive iodine therapy
  2. * represents number of patients who replied to the specific question.
  3. § the timing of data collection for marital status, educational level, employment status and religion of non-participants was not at the time of study but at admission for thyroid surgery or radioiodine treatment.