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Table 3 Secondary outcome measures obtained for subgroups of patients

From: Comparative, double-blind, controlled study of intra-articular hyaluronic acid (Hyalubrix®) injections versus local anesthetic in osteoarthritis of the hip

Secondary outcome measure

Patient subgroup

Baseline

3 months

6 months

Pain visual analogic scale

Hyalubrix® group

6.4 ± 1.94

4.3 ± 2.58a

4.5 ± 1.96a

 

Mepivacaine group

6.0 ± 1.34

4.5 ± 2.63

5.0 ± 2.41

NSAID consumption

Hyalubrix® group

8.5 ± 3.6

2.1 ± 0.4

1.5 ± 0.5

 

Mepivacaine group

6.9 ± 2.2

5.5 ± 3.0

2.3 ± 1.0

Global physician assessment

Hyalubrix® group

5.5 ± 1.58

4.4 ± 1.49

4.0 ± 1.51

 

Mepivacaine group

5.1 ± 1.41

4.5 ± 1.61

4.3 ± 1.61

Global patient assessment

Hyalubrix® group

6.1 ± 2.07

4.5 ± 2.31

4.0 ± 2.06

 

Mepivacaine group

5.7 ± 1.68

4.7 ± 2.33

4.9 ± 2.01

  1. All values reached statistical significance when compared with baseline values aPain visual analogic scale showed statistical significance also when comparing values obtained in the two subgroups of therapy (P < 0.05). NSAID, nonsteroidal anti-inflammatory drug.