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Table 2 Mean (standard deviation) values for lumbosacral sagittal alignment, and back pain, leg pain and function

From: Change of sagittal spinal alignment and its association with pain and function after lumbar surgery augmented with an interspinous implant

  B 6w 12 m 24 m
LL (°) 53.3 (12.3) 53.3 (10.6) 55.3 (9.2)  
SI (°) 36.4 (7.3) 35.9 (7.0) 36.7 (6.6)
PDA (°) 9.2 (5.7) 7.0 (4.5) 7.7 (4.8)
SDA (°) 9.9 (4.9) 9.8 (4.1) 10.5 (4.4)
RSB (Rmm) 5.6 (38.0) 11.1 (33.7) 9.5 (38.7)
Back Pain (VAS%) 49.2 (27.4) 17.1 (18.5) 20.3 (21.3) 23.9 (28.0)
Leg Pain (VAS%) 40.1 (33.5) 12.7 (19.4) 16.4 (23.4) 21.0 (30.1)
Function (ODI%) 36.9 (14.7) 21.9 (18.0) 19.8 (16.4) 21.5 (19.6)
  1. B preoperative baseline, 6w 6 weeks, 12 m/24 m 12/24 months postoperative, LL lumbar lordosis, SI sacral inclination, PDA primary disc angle, SDA supradjacent disc angle, RSB regional sagittal balance, VAS visual analogue scale, ODI Oswestry Disability Index