Table 3 Multivariate analysis of existence of pain versus no pain after the procedure

Patient perception of the procedure assessed by the physician

< 0.0001

Very/Quite badly ^R

1

Quite well

0.271

[0.085 - 0.865] (S)

Very well

0.013

[0.004 - 0.041] (S)

Pain intensity related to underlying pathology in the previous week

Absent ^R

1

< 0.0001

Mild

1.348

[0.780 - 2.330] (NS)

Moderate

1.780

[1.039 - 3.051] (S)

Severe

2.024

[1.165 - 3.513] (S)

Underlying pathology

0.0006

Acute ^R

1

Chronic

1.725

[1.099 - 2.708] (S)

Inflammatory rheumatological disorder

2.521

[1.474 - 4.310] (S)

Joint osteoarthritis

2.302

[1.548 - 3.423] (S)

Flare-up over degenerative pathology

1.972

[1.301 - 2.988] (S)

Post-traumatic

2.967

[1.483 - 5.935] (S)

Back pain

1.755

[1.077 - 2.861] (S)

Radiculalgia

1.394

[0.856 - 2.272] (NS)

Tunnel syndrome

1.975

[1.148 - 3.399] (S)

Tendonitis

1.310

[0.876 - 1.960] (NS)

Bursitis

1.241

[0.716 - 2.151] (NS)

Cristal arthropathy

1.883

[0.772 - 4.595] (NS)

Sex

Male ^R

1

0.0557

Female

1.141

[0.998 - 1.304] (NS)

Site of procedure

Knee ^R

1

0.0889

Spine

1.160

[0.854 - 1.576] (NS)

Shoulder

1.174

[0.901 - 1.530] (NS)

Small joints

1.551

[1.137 - 2.118] (S)

Others

1.212

[0.903 - 1.627] (NS)