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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