Skip to main content

Table 3 Patient satisfaction with treatment over time

From: Surgical treatment for lumbar spinal stenosis: a single-blinded randomized controlled trial

  T4 T12 T24 T48  
IG CG IG CG IG CG IG CG P interaction
0.024
Much better 0 1 (3.1) 2 (6.5) 4 (12.5) 3 (9.7) 2 (6.3) 7 (22.6) 6 (18.8)  
Slightly better 25 (80.6) 7 (21.9) 26 (83.9) 11 (34.4) 22 (71) 6 (18.8) 18 (58.1) 10 (31.3)
Unchanged 6 (19.4) 12 (37.5) 2 (6.5) 8 (25) 3 (9.7) 13 (40.6) 5 (16.1) 7 (21.9)
Slightly worse 0 11 (34.4) 1 (3.2) 9 (28.1) 2 (6.3) 10 (31.1) 1 (3.2) 9 (28.1)
Much worse 0 1 (3.1) 0 0 1 (3.2) 1 (3.1) 0 0
  1. Data presented as n (%); IG intervention group, CG control group; data presented as n (%)