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Table 3 The measurement properties of the National Institutes of Health Chronic Prostatitis Symptom Index adaptations relate to Quality Criteria for Psychometric Properties of Health Status Questionnaire

From: A systematic review of cross-cultural adaptation of the National Institutes of Health Chronic Prostatitis Symptom Index

Language-population Content validity Construct validity Internal consistency Criterion validity Concurrent validity Discriminant validity Agreement Reliability Responsiveness Floor and ceiling effects Interpretability
Original-American [7, 9,10,11]  +   +   +  /  +   +  0  +   +   + 
Original-Australian [12]  +  0 0 / 0 0 0 0 0  +   + 
Original-Malaysian [13]  +  0 0 /  +  0 0 0 0  + 
Original-Spanish [14]  +  0 / 0 0 0 0  + 
Arabic-Egyptian [22]  +  0 / 0  +  0  +  0 0  + 
Chinese-Mainland [23]  +  0 ? / 0  +  0  +  0 0  + 
Chinese-Malaysian [13]  +  0 ? /  +  0 0 0  + 
Danish [24]  +  0 0 / 0 0  +   +  0 0 0
Estonian [25]  +   +   +  / 0  +  0 0 0 0  + 
Finnish [26]  +   +  0 /  +   +  0 0 0 0  + 
French-Canadian [27]  +  /  +  0 0 0  + 
German (1,2) [28, 29]  +   +   +  / 0  +  0 0 0 0  + 
Italian [30]  +  0 /  +   +  0  +  0 0  + 
Japanese (a) [31]  +  0 /  +  0 0 0 0  + 
Japanese (b) [32]  +  0 / 0  +  0 0 0  + 
Malaysian [13]  +  0 /  +  0 0 0  + 
Persian [33]  +  / 0  +  0  +  0 0  + 
Portuguese-Brazilian [34]  +  0 / 0 0 0 0 0 0
Spanish [14]  +  / 0 0 0 0 0 0
Turkish [35]  +   +   +  /  +   +  0  +  0 0  + 
  1.  +  = Positive rating; ? = doubtful design or method;—= negative rating; 0 = no information available; /, no golden standard for criterion validity; German (1,2), two German publications with the same adaptation; Japanese (a) and Japanese (b), two different Japanese adaptations