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Table 2 Numerical rating score at rest and at motion in the two studied groups along the study period

From: Ultrasound-guided intra-sacroiliac joint injection — methylprednisolone versus triamcinolone: a randomized comparative study

 

MTP group ( N = 45)

At rest

TMC group ( N = 45)

At rest

Test of significance

p -value

MTP group ( N = 45)

At motion

TMC group ( N = 45)

At motion

Test of significance

p -value

Before injection

5 (5–7)

6 (5–7)

z = −0.445

0.656

6 (5–8)

7 (5–8)

z = 0.949

0.343

At 2 weeks after injection

3 (2–3)

4 (3–5)

z = −2.648

0.025*

4 (3–5)

5 (3–6)

z = 2.481

0.036*

P1

< 0.001*

< 0.001*

  

< 0.001*

< 0.001*

  

At 1 month after injection

2 (1–3)

2 (1–3)

z = −0.704

0.482

3 (2–4)

3 (2–4)

z = 0.863

0.388

P1

< 0.001*

< 0.001*

  

< 0.001*

< 0.001*

  

At 2 months after injection

3 (2–4)

3 (2–4)

z = −0.354

0.723

4 (2−5)

3 (2−5)

z = 0.127

0.899

P1

< 0.001*

< 0.001*

  

< 0.001*

< 0.001*

  

At 3 months after injection

4 (3–5)

4 (3–5)

z = −0.943

0.345

5 (4−6)

5 (4−7)

z = 0.813

0.416

P1

0.022*

0.025*

  

0.029*

0.035*

  
  1. P probability. Continuous data are expressed as median (range). z Mann-Whitney u-test. P1 significance in relation to initial (basal value). *Statistically significant (P < 0.05)