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Table 2 Pain, function and quality of life data over time

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

  T0   T4 T12 T24 T48  
IG CG P
intergroup
IG CG IG CG IG CG IG CG P
interaction
VAS 4.35 (3.21) 4.47 (2.91) 0.890 5.10 (2.52) 5.28 (2.93) 3.81 (1.74) 4.41 (2.95) 3.61 (2.85) 6.00 (5.91) 3.32 (2.77) 4.59 (3.10) 0.145
ODI 47.81 (19.36) 47.50 (18.68) 0.468 50.19 (22.18) 46.25 (21.60) 42.45 (20.58) 46.06 (20.36) 34.90 (22.23) 45.84 (22.51) 35.74 (20.03) 47.81 (16.69) 0.006 *
RM 14.42 (6.88) 14.72 (6.75) 0.274 18.71 (5.31) 14.59 (6.61) 16.42 (5.01) 13.47 (7.09) 13.00 (6.50) 14.22 (7.11) 12.71 (6.53) 13.63 (7.07) 0.005 *
6MWT 287.16 (91.56) 293.56 (85.29) 0.766 209.03 (83.04) 295.03 (86.32) 242.68 (93.35) 291.31 (86.28) 279.00 (66.77) 282.25 (110.18) 283.52 (62,34) 284.13 (77.79) < 0.001 *
SF-36
PF 30.16 (26.25) 32.50 (25.65) 0.722 14.35 (14.36) 34.22 (28.17) 22.39 (26.77) 37.97 (25.74) 23.87 (25.78) 33.91 (31.00) 25.65 (25.58) 39.84 (27.95) 0.123
RP 17.74 (31.09) 16.41 (30.85) 0.877 1.61 (6.24) 27.34 (43.24) 11.58 (23.27) 17.97 (36.61) 9.68 (26.36) 33.00 (46.40) 19.35 (37.48) 22.66 (41.81) 0.023 *
BP 38.61 (21.74) 36.88 (21.64) 0.856 33.35 (24.74) 37.00 (23.55) 41.52 (25.27) 40.53 (23.12) 45.81 (26.26) 36.53 (21.40) 46.10 (25.74) 39.59 (20.75) 0.210
GH 56.03 (24.70) 53.13 (27.15) 0.647 64.58 (25.53) 57.19 (24.95) 66.97 (23.96) 54.97 (23.67) 69.35 (25.55) 55.38 (23.44) 62.29 (28.20) 55.75 (24.38) 0.285
Vit 48.23 (25.51) 49.22 (27.18) 0.891 50.16 (32.31) 46.56 (32.21) 63.23 (26.32) 48.44 (29.69) 63.87 (24.35) 45.94 (32.54) 61.45 (27.09) 47.97 (29.21) 0.047 *
SF 57.66 (34.26) 57.41 (32.66) 0.158 60.08 (29.65) 60.94 (33.26) 68.15 (30.25) 65.63 (30.78) 73.39 (27.53) 58.98 (36.09) 69.35 (28.66) 66.41 (30.85) 0.249
RE 40.86 (48.87) 42.71 (48.81) 0.876 45.16 (50.59) 76.04 (42.53) 54.84 (50.59) 76.04 (42.53) 55.91 (49.73) 74.67 (42.44) 49.46 (50.09) 76.00 (42.58) 0.145
MH 61.55 (30.65) 60.75 (27.33) 0.890 62.42 (30.29) 61.25 (29.47) 60.77 (30.05) 62.88 (27.66) 64.77 (26.28) 59.63 (32.47) 63.74 (29.28) 65.00 (27.26) 0.771
  1. Data presented as the mean (SD)
  2. IG intervention group, CG control group, VAS visual analogue scale, ODI Oswestry, RM Roland Morris, 6MWT six minute walk test, PF Physical functioning, RP Role physical, BP Bodily pain, GH General health, Vit Vitality, SF Social functioning, RE Role emotional, MH Mental health
  3. * p value statistically significant