Table 2

Outcomes of propensity score–matched cohorts by treatment group (N = 12,248).

PCDF (N = 6124)ACDF (N = 6124)OR (95% CI) P
Inpatient complications
 Coma, n (%)34 (0.6)27 (0.4)1.26 (0.75–1.77)0.37
 Death0 (0)0 (0)NA1.00
 Hematoma formation94 (1.5)84 (1.4)1.12 (0.83–1.51)0.45
 Dysphagia100 (1.6)163 (2.7)0.61 (0.36–0.86)0.0001
 UTI701 (11.4)304 (5.0)2.47 (2.34–2.61)<0.0001
 DVT261 (4.3)140 (2.3)1.90 (1.69–2.11)<0.0001
 PE113 (1.8)65 (1.1)1.75 (1.45–2.06)0.0003
30-Day complications
 Stroke255 (4.2)154 (2.5)1.68 (1.48–1.89)<0.0001
 Wound dehiscence164 (2.7)30 (0.5)5.59 (5.20–5.98)<0.0001
 Surgical site infection289 (4.7)63 (1.0)4.76 (4.49–5.04)<0.0001
 Wound revision surgery72 (1.2)24 (0.4)3.02 (2.56–3.49)<0.0001
 All-cause readmission1253 (20.5)694 (11.3)2.01 (1.91–2.11)<0.0001
1-Year outcomes
 Pseudarthrosis288 (4.7)122 (2.0)2.43 (1.96–3.01)<0.0001
 Revision or extension of index surgery485 (7.9)218 (3.6)2.33 (2.17–2.49)<0.0001
 Additional anterior or posterior fusion265 (4.3)a429 (7.0)b0.60 (0.44–0.76)<0.0001
  • Data presented as n (%) unless otherwise indicated.

  • aAdditional ACDF surgery.

  • bAdditional PCDF surgery.

  • ACDF, anterior discectomy and fusion; DVT, deep vein thrombosis; NA, not applicable.; PCDF, posterior decompression and fusion; PE, pulmonary embolism; UTI, urinary tract infection.