Article Figures & Data
Figures
- Fig 1.
Pain scores at rest (A), with activity (B), and RDS improvement (C).
- Fig 2.
Change in pain medication use among subgroups: discontinued = 3, decreased = 2, no change = 1, and increased = 0.
- Fig 3.
Mobility improvement among subgroups: improvement = 2, unchanged = 1, and decreased = 0.
Tables
≤6 Weeks 6–24 Weeks >24 Weeks P No. of patients and levels 153 124 44 Age (yr) (mean) (SD, range) 76 (10.2, 41–95) 74 (11.7, 44–96) 67 (16.1, 31–89) <.0001 Female 63% 72% 57% .14 Preoperative pain length, (mean) (SD) 3.3 (1.7) 12.9 (4.8) 41.1 (21.8) <.0001 Most frequently treated level L1 L1 L1 .21a Incident fracture rate within 1 year follow-up 14% 21% 12% .13 -
↵a Comparison of all levels in each group of patients.
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- Table 2:
Pain-with-activity VAS (0–10) in the thoracic and lumbar levels in each period of preoperative pain
≤6 Weeks 6–24 Weeks >24 Weeks Thoracic Lumbar P Thoracic Lumbar P Thoracic Lumbar P No. 72 80 57 66 22 24 Preoperative 8.3 (2.0) 8.3 (2.0) .87 7.9 (2.1) 8.1 (2.0) .49 7.8 (1.9) 7.9 (1.8) .81 Postoperative 3.6 (2.6) 3.1 (2.9) .42 3.3 (3.2) 3.3 (3.3) .96 1.6 (1.8) 2.5 (2.7) .33 1 Week post 4.4 (3.1) 4.0 (2.9) .47 4.4 (3.2) 3.6 (2.7) .17 2.8 (2.2) 3.9 (3.4) .21 1 Month post 3.4 (3.2) 3.8 (3.0) .54 4.7 (2.7) 3.7 (2.9) .09 4.2 (2.8) 4.8 (3.5) .59 6 Months post 3.2 (3.2) 2.3 (2.6) .12 3.0 (2.9) 3.4 (3.3) .50 3.9 (4.0) 4.8 (3.6) .52 1 Year post 3.1 (3.2) 3.0 (3.1) .88 4.7 (3.4) 3.0 (3.2) .05 5.0 (3.9) 5.1 (3.6) .95 - Table 3:
Correlation between preoperative pain duration and symptom improvement at different follow-up time points
Follow-Up Time Point Correlation Coefficient(−1.0–1.0) P 1 Month at rest 0.02 .7 1 Month with activity −0.09 .12 1 Month RDS 0.02 .87 6 Months at rest −0.09 .12 6 Months with activity −0.20 <.001 6 Months RDS −0.10 .38 1 Year at rest −0.04 .52 1 Year with activity −0.19 .005 1 Year RDS −0.25 .08
