Article Figures & Data
Figures
- Figure 1
PLIF Cages/Study Model.
- Figure 2
Intra-cage zones for assessing fusion.
- Figure 3
Patient Outcomes.
- Figure 4
Radiology analysis/methodology; 40 patients, 45 levels.
- Figure 5
Occurrence by zone.
Tables
Patient Demographics No. of Patients (levels) 40 (45) Mean (range) age in years 52 (28-69) Sex (M/F) 15/25 BMI Underweight (<18.5) n = 0 Normal Range (18.5-25) n = 16 Overweight (25-30) n = 16 Obese (>30) n = 8 Tobacco Use (%) 11 (27.5 %) Diabetes (%) 5 (12.5%) Mean (range) follow up period 24 months Mean (range) Length of Stay 5.9 days (5-8) Mean (range) Intra-operative blood loss 173cc (100-300) Mean (range) Operation Time 158mins (105-300) No. of levels No of Patients (%) Level Number(%) One 24 (60%) L2/3 0 (0%) Two 14 (35%) L3/4 3 (7%) Three 1 (2.5%) L4/5 25 (56%) Four 1 (2.5%) L5/S1 17 (38%) Total 40 (100%) Total 45 (100%) 6 months* 12 months 24 months Auto P-15 P-value** Auto P-15 P-value** Auto P-15 P-value** Anterior 34.09 % 70.45% < .01 57.78% 88.89% < .01 71.11% 88.89% n.s. Mid 43.18 % 86.36% < .01 73.33% 95.56% < .01 80.00% 93.33% n.s. Posterior 45.45% 68.18% n.s. 73.33% 82.22% n.s. 84.44% 86.67% n.s. Any 59.09% 97.73% < .01 82.22% 97.78% < .01 93.33% 95.56% n.s. Any sign rank test 1.23±1.20 2.25±.78 < .01 2.04±1.14 2.67±.60 < .01 N = 40 patients Preoperative 3 months 6 months 12 months 24 months % gain 2Yr VAS back pain 66 23 42 25 37 29 % VAS left leg 49 25 25 23 22 27 % VAS right leg 38 19 16 18 16 22 % ODI 46 30 18 30 26 20 % Joseph & Rampersaud22 Haid, et al26 Lauweryns & Raskin rhBMP-2 Autograft rhBMP-2 Autograft ABM/P-15 Autograft n = 23 n = 10 n = 32 n = 31 n = 45 n = 45 21% 8% 75% 13% 48% 14% Minimal 23% 8% Mild 22% 6% Moderate 3% 0%
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