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Table 2 Demographic characteristics of patients from the primary care cohort

From: Can the French version of the short Örebro Musculoskeletal Pain Screening Questionnaire or its subsets predict the evolution of patients with acute, (sub) acute and chronic pain?

 

Group A

Patients having completed the study

p (groups A1 vs A2 vs A3)

Group B

Drop-out patients

p (group A vs group B)

 

A

A1

A2

A3

 

All patients

No pain at t0

Acute & subacute pain at t0

Chronic pain at t0

n

542

138

112

292

 

3340

 

Mean age

(SD)

50.6

(15.0)

48.0

(17.6)

47.8

(15.5)

52.8

(13.2)

A1 vs A2: N.S.

A1 vs A3: 0.002

A2 vs A3: 0.003

52.3

(18.6)

0.04

n Females

(%)

337

(62%)

73

(53%)

80

(72%)

184

(63%)

All group: 0.007

A2 vs A3: N.S.

1961

(59%)

N.S.

Mean body mass index

(SD)

26.3

(5.6)

25.1

(5.3)

26.2

(6.2)

26.9

(5.4)

A1 vs A2: N.S.

A1 vs A3: 0.002

A2 vs A3: N.S.

26.4

(5.4)

N.S.

n paid job

(%)

321

(60%)

81

(59%)

76

(69%)

164

(57%)

All groups: 0.0008

A2 vs A3: 0.0109

1462

(44%)

<0.0001

n retired

(%)

137

(25%)

40

(29%)

16

(14%)

81

(28%)

1136

(34%)

n no pain

(%)

138

(25%)

    

931

(28%)

N.S.

n (sub) acute pain

(%)

112

(21%)

    

735

(22%)

n chronic pain

(%)

292

(54%)

    

1637

(49%)

Median number of pain sites

1

0

1

2

All groups: <0.0001

A2 vs A3: <0.0001

1

N.S.

n spinal pain

(%)

281

(52%)

0

67

(60%)

214

(74%)

All groups: <0.0001

A2 vs A3: 0.0096

1575

(47%)

0.04

n limb pain

(%)

261

(48%)

0

57

(51%)

204

(70%)

All groups: <0.0001

A2 vs A3: 0.0004

1479

(44%)

N.S.

n other pain sites

(%)

98

(18%)

0

30

(27%)

68

(23%)

All groups: <0.0001

A2 vs A3: N.S.

641

(19%)

N.S.

n spinal and limb pain

(%)

371

(69%)

0

96

(86%)

275

(95%)

All groups: <0.0001

A2 vs A3: 0.0070

2152

(64%)

N.S.

n “non MSK” pain only

(%)

24

(4%)

0

11

(10%)

13

(4%)

All groups: <0.0001

A2 vs A3: 0.0503

208

(6%)

N.S.

  1. SD Standard deviation
  2. N.S not significant
  3. Spinal pain: neck and/or low back
  4. Limb pain: shoulder and arm(s) and/or lower limb(s)
  5. Other pain sites: thorax and/or abdomen and/or pelvis and/or anus, perineum, genitals
  6. “Non MSK” pain: patients suffering only of pain from other pain sites than spinal and limbs