{'fraction_non_alphanumeric': 0.014527845036319613, 'fraction_numerical': 0.0, 'mean_word_length': 4.914285714285715, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Interview-Based Case-Control Studies of Screening Efficacy

Some studies of the efficacy of cancer screening are obliged to obtain interviews from persons with cancer who are likely to die as a result of their disease, and from controls. We review the interview-based approaches that have been developed and the purpose that each one can achieve and offer suggestions for increasing the validity of these studies.