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Table 2 Characteristics of Independent vs. Non-independent Groups

From: Bias in the physical examination of patients with lumbar radiculopathy

Characteristic

Independent Group (n = 51)+

Non-independent Group (n = 103)+

 

Age (yrs)

53.9 (15.0)

52.6 (12.9)

p = 0.56

Female (%)

11 (21.6%)

39 (37.9%)

p = 0.04*

Katz Comorbidity Score (0-45)

2.7 (3.3)

2.9 (3.3)

p = 0.70

Symptom duration (wks)

4.3 (2.8)

5.2 (3.1)

p = 0.08

Oswestry Disability index (0-100)

45 (20)

54 (21)

p = 0.014*

VAS Leg Pain (0-10)

7.1 (2.5)

6.9 (2.4)

p = 0.60

VAS Back Pain (0-10)

5.1 (3.3)

5.1 (3.3)

p = 0.94

Midlumbar nerve root impingement (L2, L3, or L4 levels)

24 (47.1%)

54 (52.4%)

p = 0.53

  1. *statistically significant
  2. +Mean (S.D.) or N (%)