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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