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Table 1 Characteristics of the study population

From: Benefits of resistance exercise in lean women with fibromyalgia: involvement of IGF-1 and leptin

Characteristics

All patients

n = 43

Lean

n = 18

Overweight

n = 17

Obese

n = 8

p Valuea

Lean vs overweight

p Valuea

Lean vs obese

p Valuea

Overweight vs obese

Age (years)

51 (25 to 64)

50 (25 to 63)

53 (34 to 64)

51 (25 to 63)

0.351

0.807

0.711

BMI (kg/m2)

25.6 (20.9 to 39.9)

23.1 (20.9 to 24.96)

26.2 (25.1 to 29.9)

35.2 (30.8 to 39.9)

<0.001

<0.001

<0.001

Symptom duration (years)

9 (0 to 35)

8 (1 to 20)

10 (0 to 35)

7 (1 to 26)

0.386

0.892

0.628

Tender points (n)

16 (11 to 18)

16 (12 to 18)

16 (11 to 18)

17 (15 to 18)

0.909

0.311

0.238

Pharmacologic treatment, N (%)

    

p Valueb Lean vs overweight

p Valueb

Lean vs obese

p Valueb

Overweight vs obese

NSAID/paracetamol

34 (79)

12 (67)

15 (88)

7 (88)

0.264

0.531

0.958

Opioids for mild to moderate pain. Yes

6 (14)

2 (11)

3 (18)

1 (12)

0.945

0.918

0.743

Antidepressants. Yes

22 (51)

8 (44)

11 (65)

3 (38)

0.3880

0.741

0.397

Anticonvulsives. Yes

4 (9)

2 (11)

2 (6)

1 (12)

0.9516

0.918

0.958

Sedatives. Yes

7 (16)

3(17)

4 (24)

0 (0)

0.9326

0.574

0.362

  1. Lean patients had BMI from 20.9 to < 25.0 kg/m2; overweight patients had BMI 25.0 to 29.9 kg/m2. Obese patients had BMI ≥30.0 kg/m2. Median values and range (min, max). Furthest to the right is shown group comparisons (p-value; aMann-Whitney U-test. bChi-square test with Yates correction). P-value in bold type is significant