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Table 3 Knowledge: DA sample vs. historical controls

From: Evidence-based patient choice: a prostate cancer decision aid in plain language

  DA sample (N = 60) Historical controls (No./Total) Fisher's Exact Test P-value
Knowledge of personal pathology results
Knew PSA 56 (93%) 160/181 (88%) 0.34
Informed of stage of cancer 53 (88%) 178/181 (98%) 0.00
Knew grade of cancer 57 (95%) 178/184 (97%) 0.69
Knowledge of treatment options
Knew all of age, grade, stage, health, and PSA are at least somewhat important for treatment decision. 52 (87%) 142/184 (77%) 0.14
Believed watchful waiting to be a standard treatment 52 (87%) 138/184 (75%) 0.07
Believed external radiation to be a standard treatment 53 (88%) 173/184 (94%) 0.16
Believed brachytherapy to be a standard treatment 47 (78%) 143/184 (78%) >0.99
Believed surgery to be a standard treatment 57 (95%) 177/184 (96%) 0.71
Discussed watchful waiting with physician 28 (47%) 72/184 (39%) 0.36
Discussed external radiation with physician 53 (88%) 166/184 (90%) 0.63
Discussed brachytherapy with physician 38 (63%) 121/184 (66%) 0.76
Discussed surgery with physician 59 (98%) 163/184 (89%) 0.02
Knowledge of side effects
Knew surgery associated with incontinence 59 (98%) 172/184 (93%) 0.20
Knew surgery associated with impotence 58 (97%) 172/184 (93%) 0.53
Knew surgery associated with painful bowel movements 33 (55%) 82/184 (45%) 0.18
Knew radiation associated with incontinence 48 (80%) 113/184 (61%) 0.01
Knew radiation associated with impotence 56 (93%) 145/183 (79%) 0.01
Knew radiation associated with painful bowel movements 46 (77%) 118/184 (64%) 0.08