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Table 2 Outcomes from baseline to last re-exam and to long-term follow-up.

From: A non-surgical approach to the management of lumbar spinal stenosis: A prospective observational cohort study

Variable

Last FU

Long Term FU

 

N

Mean

Median

95% CI

P value

N

Mean

Median

95% CI

P value

Change in RM Sore

48

5.1

4.0

3.4 – 6.8

<0.0001

41

5.2

5.0

3.0 – 7.3

<0.0001

Change in Current Pain

49

1.8

2.0

0.9 – 2.7

0.0002

45

2.1

2.0

1.0 – 3.1

0.0003

Change in Average Pain

47

1.6

1.0

0.6 – 2.7

0.0024

44

3.0

3.0

2.0 – 4.1

<0.0001

Change in Worst Pain

47

3.1

2.0

2.0 – 4.3

<0.0001

45

4.2

6.0

2.8 – 5.5

<0.0001

Self Rated Improvement

52

65.1

80.0

55.9 – 74.2

<0.0001

44

75.6

90.0

65.8 – 85.4

<0.0001

% Change in RM Score

48

42.0

56.1

24.5 – 59.6

<0.0001

41

41.5

53.8

21.1 – 61.9

0.0002

% Change in Current Pain

45

48.8

83.3

25.7 – 72.0

0.0001

40

38.4

100.0

0.1 – 76.8

0.0497

% Change in Average Pain

43

27.2

33.3

6.7 – 47.8

0.0106

41

51.7

75.0

33.5 – 69.9

<0.0001

% Change in Worst Pain

47

34.8

20.0

22.3 – 47.3

<0.0001

45

44.7

57.9

28.7 – 60.7

<0.0001

  1. Legend: RM – Roland Morris Low Back Pain and Disability questionnaire; FU – follow up; CI – confidence interval for mean