Skip to main content

Table 2 A summary of the patient demographics and self-reported functional outcomes (ODI and VAS)

From: Identifying predictors for postoperative clinical outcome in lumbar spinal stenosis patients using smart-shoe technology

  

Baseline

Follow-up

  

(N=15)

(N=17)

Patient demographics

Age

58.4±16.8

-

 

Gender

11 female / 3 male

-

 

Self-rated walking ability (0 to 3)

2.2±0.86

-

 

Presence of scoliosis

1 yes / 14 no

-

 

Presence of acute injury

4 yes / 11 no

-

 

Number of affected spinal vertebrae

2.13±0.35

-

 

Number of previous spinal surgeries

0.27±0.46 (4 subjects had 1, 11 had 0)

-

 

Duration of symptoms

51.1±88.2 days

-

 

BMI

26.3±5.04

-

 

Smoking status

2 yes / 13 no

-

Important spatiotemporal measurements

StdTime-P2P3-Max

0.12±0.096

-

 

CrossCorr-P2

4.2×104±2.7×104

-

 

AutoCorr-P2-Mean

0.77±0.057

-

 

SumMag-P2-Min

1.2×104±5.7×103

-

 

MeanTime-P2P3-Mean

0.18±0.070

-

 

AutoCorr-P5-Min

0.81±0.040

-

 

SumMag-P2-Min

1.1×104±5.7×103

-

 

MeanTime-P1P2-Max

0.18±0.15

-

Functional outcome

ODI

40.2±19.2

77.3±20.2

 

VAS - Pain

49.9±34.5

33.4±31.9