Article Figures & Data
Tables
Demographic Total
(n = 91)Age (mean ± SD) 46.7 ± 13.2 Gender, n (%) Female 33 (36.3%) Male 58 (64.7%) BMI, n (%) < 30 kg/m2 53 (58.2%) ≥ 30 kg/m2 38 (41.8%) Smoking status, n (%) Nonsmoker 80 (87.9%) Smoker 11 (12.1%) Diabetes, n (%) Diabetic 3 (3.3%) Nondiabetic 88 (96.7%) ASA score, n (%) ≤2 30 (33.0%) >2 61 (67.0%) CCI score, n (%) <1 31 (34.1%) ≥1 60 (65.9%) VAS back <7 50 (54.9%) ≥7 41 (45.1%) VAS leg, n (%) <7 51 (56.0%) ≥7 40 (44.0%) Worker’s compensation, n (%) No 83 (91.2%) Yes 8 (8.8%) ASA, American Society of Anesthesiologists; BMI, body mass index; CCI, Charlson Comorbidity Index; VAS, visual analog scale.
Operative Characteristic Total
(n = 91)Spinal pathology, n (%) Herniated nucleus pulposus 76 (83.5%) Degenerative spondylolisthesis 5 (5.5%) Isthmic spondylolisthesis 2 (2.2%) Operative time (min), mean ± SE 41.9 ± 11.8 Estimated blood loss (mL), mean ± SE 25.8 ± 6.6 - Table 3
Improvement in Patient-Reported Outcomes Measurement Information System physical function after lumbar decompression.
Outcome Measure Mean ± SD n MCID Achievement P Valuea PROMIS-PF Preoperative 37.4 ± 6.8 91 - - 6 wk 43.4 ± 8.2 64 64.8% <0.001 12 wk 50.3 ± 10.2 39 84.8% <0.001 6 mo 43.8 ± 7.0 20 68.4% 0.002 1 y 46.5 ± 9.0 21 70.0% <0.001 VAS back Preoperative 6.2 ± 2.5 76 - - 6 wk 2.7 ± 2.6 62 72.6% <0.001 12 wk 1.7 ± 2.3 25 88.0% <0.001 6 mo 2.9 ± 2.9 17 76.5% <0.001 1 y 2.8 ± 3.0 16 68.7% 0.023 VAS leg Preoperative 6.0 ± 2.9 76 - 6 wk 3.0 ± 2.9 62 65.5% <0.001 12 wk 1.7 ± 2.6 25 76.0% <0.001 6 mo 1.6 ± 2.0 17 70.6% <0.001 1 y 2.6 ± 2.9 16 62.5% 0.006 TTC (sec) P valueb Preoperative 69.0 ± 61.7 87 - - 6 wk 66.8 ± 52.2 53 - 0.999 12 wk 72.0 ± 39.8 30 - 0.999 6 mo 55.0 ± 40.1 12 - 0.912 1 y 70.6 ± 23.6 17 - 0.999 aP values calculated using paired t test.
bP values calculated using 1-way ANOVA post hoc Tukey.
LD, lumbar decompression; MCID, minimum clinically important difference; PROMIS-PF, Patient-Reported Outcomes Measurement Information System physical function; TTC, time to complete; VAS, visual analog scale.
- Table 4
Correlations of Patient-Reported Outcomes Measurement Information System physical function (n = 91).
Outcome Measure Pearson, |r| P Valuea TTC Preoperative 0.048 0.656 6 wk 0.213 0.129 12 wk 0.159 0.400 6 mo 0.096 0.765 1 y 0.058 0.823 VAS back Preoperative 0.477 <0.001 6 wk 0.512 <0.001 12 wk 0.593 0.006 6 mo 0.654 0.015 1 y 0.595 <0.001 VAS leg Preoperative 0.316 0.005 6 wk 0.528 <0.001 12 wk 0.577 0.007 6 mo 0.273 0.365 1 y 0.583 0.059 Boldface indicates statistically significant finding.
aP value calculated using Pearson coefficient.
TTC, time to complete; VAS, visual analog scale.
In this issue
Jump to section
Related Articles
Cited By...
- No citing articles found.