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Table 5 Prior exposure to clinical trials and willingness to participate

From: Unique perception of clinical trials by Korean cancer patients

Question Answers Patients in previous clinical trials (N=127) (%) Patients never in clinical trial (N=548) (%) p-value
Most influential factor for clinical trial participation Using a new drug 39(30.7) 103(18.8) 0.001
Economic benefit 8(6.3) 42(7.7)  
Contribute to medical development 21(16.5) 98(17.9)
Physician’s recommendation 37(29.1) 144(26.3)
No other treatment option 19(15.0) 159(29.0)
Other 3(2.4) 2(0.4)
Most influential factor for refusal to participate Negative perception of clinical trials 28(22.0) 165(30.1) 0.019
Unconfirmed treatment 65(51.2) 255(46.5)  
Frequent hospital visits 8(6.3) 45(8.2)
Prefers standard treatment 21(16.5) 80(14.6)
Other reasons 5(4.9) 3(0.6)