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Table 4 The summary of the measurement properties of cross-cultural the National Institutes of Health Chronic Prostatitis Symptom Index adaptations

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

Language-population

Internal consistency

Construct validity

Concurrent validity

Agreement

Reliability

Responsiveness

Floor and ceiling effects

Discriminant validity

Original-American [7, 9,10,11]

Total 0.82; Pain 0.65; Void 0.77; QOL 0.73

Pain location 0.35–0.88

Pain frequency 0.18–0.87

Pain severity 0.39–0.95

Void 0.32–0.73

Impact 0.32–0.94

Overall QOL 0.35–0.94

AUA symptom index: Pain 0.39; Void 0.87; QOL 0.46

GCPS Pain: Pain 0.61; Void 0.31; QOL 0.54; Total 0.60

GCPS Pain: Pain 0.38; Void 0.13; QOL 0.45; Total 0.40

0

Pain 0.83–0.93; Void 0.90; QOL 0.87–0.91

ROC curve 0.83

% Ceiling Effects (best possible score) 20.70 Pain

CP/CPPS versus Healthy Individuals: 0.67

Original-Australian [12]

0

0

0

0

0

0

0

0

Original-Malaysian [13]

Total 0.57; Pain 0.34; Void 0.32; QOL 0.33

0

IPSS Total 0.63; Pain 0.23; Void 0.85; QOL 0.44

 

Total 0.89; Pain 0.89; Void 0.84; QOL 0.85

0

0

CP/CPPS versus Healthy Individuals: Total 1.00; Pain 1.00; Void 0.87; QOL 1.00

CP/CPPS versus BPH: Total 0.; Pain 0.99; Void 0.39; QOL 0.75

Original-Spanish [14]

Total 0.86; Pain 0.86; Void 0.79; QOL 0.87

Total 0.89–0.97; Pain 0.80–0.97; Void 0.76–0.89; QOL 0.76–0.94

0

0

0

0

0

0

Arabic-Egyptian [22]

Total 0.92; Pain 0.89; Void 0.92; QOL 0.87

0

0

0

Total 0.90; Pain 0.84; Void 0.92; QOL 0.94

0

0

  

CPPS

Controls

P

Total

22.3(4.1)

2.3(2.8)

 < 0.001

Pain

9.3(2.5)

0.6(0.2)

 < 0.001

Void

3.7(1.8)

0.7(0.4)

 < 0.001

QOL

7.3(2.4)

0.7(0.2)

 < 0.001

Chinese-Mainland [23]

Total 0.61; Pain 0.71; Void 0.59; QOL 0.75

0

0

0

Total 0.98; Pain 0.98; Void 0.98; QOL 0.97

0

0

  

CPPS

Controls

P

Total

23.33(5.91)

1.95(1.97)

0.00

Pain

8.80(4.26)

0.37(1.03)

0.00

Void

5.30(2.82)

0.15(0.58)

0.00

QOL

9.23(1.90)

1.42(1.20)

0.00

Chinese-Malaysian [13]

Total 0.63; Pain 0.33; Void 0.73; QOL 0.60

0

IPSS Total 0.72; Pain 0.35; Void 0.78; QOL 0.29

0

Total 0.9; Pain 0.80; Void 0.82; QOL 0.77

0

0

CP/CPPS versus Healthy Individuals: Total 1.00; Pain 1.00; Void 0.90; QOL 0.99

CP/CPPS versus BPH: Total 0.87; Pain 0.96; Void 0.47; QOL 0.68

Danish [24]

0

0

0

No signs of systematic bias in Bland Altman Plot

Total 0.93 (0.91–0.96); Pain 0.88 (0.84–0.92); Void 0.91 (0.88–0.94); QOL 0.93 (0.91–0.96)

0

0

0

Estonian [25]

Total 0.82; Pain 0.67; Void 0.63; QOL 0.78

Total 0.62–0.93; Pain 0.35–0.92; Void 0.35–0.62; QOL 0.47–0.93

0

0

0

0

0

  

CPPS

Controls

P

Total

15.3 (5.6)

6.0 (6.7)

 < 0.001

Pain

8.6 (2.5)

2.2 (3.3)

 < 0.001

Void

1.2(1.4)

1.3 (1.9)

0.86

QOL

6.1 (2.1)

2.5(3.0)

0.001

Finnish [26]

0

Pain 0.36–0.89; Void 0.36–0.67; QOL 041–0.71

VAS Total 0.76; Pain 0.87; Void 0.27; QOL 0.60

0

0

0

0

  

CPPS

Controls

P

Total

20.2 (8.6)

5.8 (4.5)

 < 0.001

Pain

9.9 (4.5)

0.1 (0.3)

 < 0.001

Void

3.9 (3.1)

0.3 (0.6)

 < 0.001

QOL

6.5 (2.9)

5.5 (4.3)

 > 0.05

French-Canadian [27]

Pain 0.807; Void 0.570; QOL 0.884

Pain 0.67–0.94; Void 0.55–0.67; QOL 0.62–0.0.97

SF− 12 Mental scale Pain − 0.29 to − 0.44; Void − 0.28 to − 0.43; QOL − 0.41 to − 0.51

SF− 12 Mental scale Pain − 0.32 to − 0.50; Void − 0.20 to − 0.37; QOL − 0.40 to − 0.59

0

0.352–0.862

0

0

  

CPPS

Controls

P

Pain

8.48 (4.67)

1.72 (2.27)

 < 0.001

Void

3.33 (2.31)

0.95 (1.12)

 < 0.001

QOL

5.39 (2.84)

0.76 (1.81)

 > 0.05

German (1,2) [28, 29]

Total 0.74; Pain 0.60; Void 0.69; QOL 0.67

Total 0.63–0.85 Pain 0.24–0.85; Void 0.24–0.63; QOL 0.32–0.77

0

0

0

0

0

  

NIH IIIA

NIH IIIB

P

Total

20(21.4)

24(23.9)

0.03

Pain

11(10.1)

12(11.3)

0.09

Void

3(3.2)

3(3.8)

0.14

QOL

8(8)

9(8.7)

0.16

Italian [30]

Total 0.95; Pain 0.84; Void 0.96; QOL 0.86

0

VAS Total 0.80; Pain 0.88; Void 0.22; QOL 0.71

IPSS Total 0.55; Pain 0.27; Void 0.94; QOL 0.25

0

Total 0.90; Pain 0.83; Void 0.82; QOL 0.93

0

0

  

CPPS

Controls

P

Total

21.8 (8.5)

2.0 (2.8)

 < 0.001

Pain

10.5 (4.5)

0.5 (1.2)

 < 0.001

Void

4.5 (2.9)

0.9 (1.2)

 < 0.001

QOL

6.8 (3.1)

0.6 (1.0)

 < 0.001

Japanese (a) [31]

0

Pain 0.662; Void 0.531

0

0

0

0

0

 

CP/CPPS

BPH

Controls

P

Pain

9.79 (3.10)

1.66 (3.05)

0.39 (0.92)

0.00

Void

3.82 (3.12)

3.29 (2.08)

0.72 (0.83)

0.00

QOL

8.21 (2.23)

4.17 (1.86)

1.39 (1.38)

0.00

Japanese (b) [32]

Pain 0.83; Void 0.97; QOL 0.87

0

0

0

Pain 0.63; Urinary symptoms 0.91; QOL 0.72

0

0

 

CP

BPH

Controls

P

Pain

9.0 (0–18)

1.0 (− 16)

0.0 (0–12)

0.00

Void

3.0 (0–10)

4.0 (0–10)

0.0 (0–8)

0.00

QOL

7.0 (2–11)

5.0 (0–12)

1.0 (0–6)

0.00

Malaysian [13]

Total 0.62; Pain 0.43; Void 0.83; QOL 0.45

0

IPSS Total 0.49; Pain − 0.18; Void 0.87; QOL 0.16

0

Total 0.80; Pain 0.94; Urinary symptoms 0.87; QOL 0.85

0

0

CP/CPPS versus Healthy Individuals: Total 1.00; Pain 1.00; Void 0.83; QOL 0.98

CP/CPPS versus BPH: Total 0.94; Pain 0.96; Void 0.58; QOL 0.78

Persian [33]

Total 0.865; Pain 0.853; Void 0.652; QOL 0.726

Total 0.666–0.889; Pain 0.389–0.889; Void 0.389–0.666; QOL 0.433–0.846

0

0

Total 0.901; Pain 0.894; Void 0.912; QOL 0.846

0

0

  

CP/CPPS

Controls

P

 

Total

22.47(6.9)

2.1(2.7)

 < 0.001

 

Pain

10.35(3.7)

0.3(0.2)

 < 0.001

 

Void

4.73(1.98)

0.5(0.4)

 < 0.001

 

QOL

7.38(2.7)

0.8(0.4)

 < 0.001

Portuguese-Brazilian [34]

Pain 0.90; Void 0.85; QOL 0.93

0

0

0

Pain 0.89–0.94; Void 0.99; QOL 0.96–0.97

0

0

/

Spanish [14]

Total 0.94; Pain 0.87; Void 0.81; QOL 0.86

Total 0.89–0.97; Pain 0.80–0.97; Void 0.76–0.89; QOL 0.76–0.94

0

0

0

0

0

/

Turkish [35]

Total 0.864; Pain 0.862; Void 0.819; QOL 0.762

Total 0.66–0.77; Pain 0.25–0.72; Void 0.33–0.72; QOL 0.25–0.66

VAS Total 0.6; Pain 0.66; Void 0.22; QOL 0.29

0

Total 0.909; Pain 0.886; Void 0.925; QOL 0.874

IPSS Total 0.48; Pain 0.24; Void 0.54; QOL 0.4

0

0

 

CP/CPPS

Controls

P

Total

22.8 (7.7)

2.5 (1.7)

 < 0.001

Pain

9.5 (4.8)

1.4 (1.2)

 < 0.001

Void

6 (3.2)

0.6 (0.8)

 < 0.001

QOL

7.3 (2.3)

0.5 (0.6)

 < 0.001

  1. AUA, American Urological Association; GCPS, Graded Chronic Pain Scale; QOL, quality of life; ROC, Receiver Operating Characteristic; IPSS, International Prostate Symptom Scores; CP, chronic prostatitis; CPPS, chronic pelvic pain; BPH, benign prostatic hyperplasia; VAS, visual pain scale; SF-12, 12-item short-form Health Survey