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Table 3 Test–retest reliability of the Arabic version of MHISS

From: The reliability and validity of the Arabic version of the Mouth Handicap in Systemic Sclerosis (MHISS) Questionnaire in Arabian systemic sclerosis patients

Reliability

Test

Retest

Correlation

r

p value

Total MHISS

Range

7–19

8–19

0.993

< 0.001*

Mean ± SD

12.21 ± 3.519

12.184 ± 3.399

Subscale 1

Range

4–10

4–10

0.985

< 0.001*

Mean ± SD

6.157 ± 1.603

6.237 ± 1.601

Subscale 2

Range

2–10

2–9

0.991

< 0.001*

Mean ± SD

4.68 ± 1.905

4.605 ± 1.793

Subscale 3

Range

0–4

0–4

0.991

< 0.001*

Mean ± SD

1.368 ± 1.195

1.342 ± 1.214

  1. MHISS Mouth Handicap in Systemic Sclerosis, r Spearman’s correlation (ICC)
  2. *p value; significant if ≤ 0.05