Table 3

Preoperative, postoperative, and change from pre- to postoperative sagittal measurements.

Outcome MeasurePreoperativePostoperativeΔPost-Pre P a
SL (°)3.5 (4.2)4.8 (2.8)1.3 (3.6)0.002b
ADH, mm5.9 (3.3)10.7 (1.8)4.9 (2.7)<0.001b
PDH, mm3.4 (2.6)7.7 (1.8)4.4 (1.8)<0.001b
AvDH, mm4.6 (2.7)9.2 (1.5)4.6 (2.0)<0.001b
FA, mm2 98.4 (37.1)131.2 (39.9)32.7 (29.9)<0.001b

  • Abbreviations: ADH, anterior disc height; ASD, adjacent segment degeneration; AvDH, average disc height; FA, foraminal area; PDH, posterior disc height; SL, segmental lordosis.

  • Note: Data presented as mean (SD).

  • ↵a Comparison with preoperative.

  • ↵b Statistically significant.