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Table 4 Rank data and significance for the Wilcoxon signed-rank tests for VAS average pain. A negative rank represents an improvement in a patient’s pain over that time period. A positive rank represents worsening pain over that time period

From: The effectiveness of PROLOTHERAPY for recalcitrant Medial TIBIAL Stress Syndrome: a prospective consecutive CASE series

Time period

Ranks

N

p-value

Baseline – 4 weeks

(n = 18)

Negative ranks

16

< 0.001

Positive ranks

1

 

Ties

1

 

Baseline – 18 weeks

Negative ranks

16

< 0.001

(n = 18)

Positive ranks

0

 

Ties

2

 

4 weeks – 18 weeks

Negative ranks

5

0.405

(n = 18)

Positive ranks

7

 

Ties

6

 

Baseline – 52 weeks

Negative ranks

13

0.001

(n = 15)

Positive ranks

1

 

Ties

1

 

4 weeks – 52 weeks

Negative ranks

5

0.322

(n = 15)

Positive ranks

6

 

Ties

4

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