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Table 1 Demographic and Co-Morbidity profile

From: Length of stay, costs, and complications in lumbar disc herniation surgery by standard PLIF versus a new dynamic interspinous stabilization technique

  Group 1 (Interspinous) Group 2 (Fusion) p-value
Total Number (n = 67) 31 36  
Demographics
 Agea 38.2 (±9.3) 41.2 (±7.4) 0.144
 Femaleb 13 (41.9%) 19 (52.8%) 0.376
 BMIa 26.1 (±3.6) 26.5 (±3.8) 0.566
 Smokingb 13 (41.9%) 13 (36.1%) 0.625
Charlson comorbidity index scoringb
 CCI = 0 25 (80.6%) 30 (83.3%) 0.775
 CCI ≥ 1 6 (19.4%) 6 (16.7%)
Instrumented levelsb
 1 level 25 (80.6%) 18 (50%) 0.009
 2 levels 6 (19.4%) 18 (50%)
  1. aMean and standard deviation
  2. bNumber of patients and percentage by groups