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Table 4 Outcome measures before and after treatment (4 and 12 weeks) in both groups

From: Platelet rich plasma versus extracorporeal shock wave therapy in patients with non-calcific supraspinatous tears

Scales mean ± SD

Groups

Baseline

(0 weeks)

4 weeks

12 weeks

P value2

(4 vs. 0 weeks)

P value2

(12 vs. 0 weeks)

P value2

(12 vs. 4 weeks)

NRS for pain

I

II

P value1

6.86 ± 1.64

7.20 ± 1.89

0.56

3.06 ± 1.48

3.86 ± 0.99

0.180

3.26 ± 1.98

6.66 ± 2.46

< 0.01*

< 0.001*

< 0.000*

< 0.001*

0.18

0.18

< 0.001*

SPADI

I

II

P value1

89.80 ± 20.88

86.40 ± 20.21

0.61

38.13 ± 20.53

45.46 ± 11.70

0.11

39.73 ± 24.17

80.40 ± 26.15

< 0.01*

< 0.001*

< 0.000*

< 0.001*

0.18

0.18

< 0.000*

Abduction

I

II

P value1

89.93 ± 6.21

90.80 ± 8.07

0.71

152.13 ± 21.08

149.40 ± 9.81

0.66

151.13 ± 23.67

99.93 ± 26.44

< 0.001*

< 0.000*

< 0.000*

< 0.000*

0.17

0.19

< 0.000*

  1. NRS numeric rate scale, SPADI shoulder pain and disability index
  2. *P< 0.05: significant
  3. P value1: significance between groups
  4. P value2: significance in the same group at the follow-up