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Table 1 Comparison of baseline characteristics between joint block-positive and negative patients

From: Clinical characteristics of pain originating from intra-articular structures of the knee joint in patients with medial knee osteoarthritis

 

Response to joint block

P value

 

Positive

Negative

 

Age (yrs)

70 (10)

76 (6)

0.016*

Disease duration (mo)

72 [12, 180]

120 [50, 240]

0.024*

JOA knee score (pts)

63 (14)

58 (15)

0.090

Pain BAS during walk (mm)

64 (19)

62 (15)

0.653

Kellgren-lawrence grade 4 (%)†

48

48

0.995

Knee range of motion (deg)

122 (22)

125 (17)

0.708

Total painful area

2 [1, 4]

4 [3, 7]

0.003**

  1. Values are mean (standard deviation) and median [inter-quartile range]. Mann–Whitney test was used except † Chi-square test. *p < 0.05 and **p < 0.01.