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Table 2 Questionnaires’ scores for the participants of both groups, presented as mean (standard deviation)

From: Measurement properties of the Brazilian online version of the Fibromyalgia Rapid Screening Tool (FiRST)

Variables

FM group (n = 395)

CP group (n = 88)

p

NRS – Present pain at rest

6.8 (2.0)

5.0 (2.5)

< 0.001

NRS – Present pain after movement

7.6 (2.0)

5.4 (2.7)

< 0.001

NRS – Greatest pain in the previous week

8.6 (1.5)

7.0 (2.3)

< 0.001

NRS – Lowest pain in the previous week

5.4 (2.4)

4.3 (2.5)

< 0.001

NRS – Present fatigue

7.9 (2.1)

5.0 (3.4)

< 0.001

BPI – Pain severity

6.9 (1.6)

5.1 (2.3)

< 0.001

BPI – Pain impact

7.5 (2.0)

5.3 (2.8)

< 0.001

FIQ-R - Function (0–30)

21.4 (6.7)

11.5 (8.7)

< 0.001

FIQ-R – Global impact (0–20)

15.9 (4.4)

9.3 (6.4)

< 0.001

FIQ-R - Symptoms (0–50)

37.3 (7.4)

25.3 (12.4)

< 0.001

FIQ-R – Total score (0-100)

74.6 (16.6)

46.1 (25.6)

< 0.001

  1. FM: Fibromyalgia group; CP: Chronic pain group; NRS: Numerical Rating Scale; BPI: Brief Pain Inventory; FIQ-R: Fibromyalgia Impact Questionnaire-Revised.