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Table 5 Self-rated walking ability measured with Oswestry Disability Index (ODI) item four and self-rated walking distance at baseline and after 9 week pre-surgery intervention divided in number of treatment sessions. Changes within groups over time

From: Effects of pre-surgery physiotherapy on walking ability and lower extremity strength in patients with degenerative lumbar spine disorder: Secondary outcomes of the PREPARE randomised controlled trial

  0-11 treatment session ≥ 12 treatment session
Baseline Follow-up p-Value Baseline Follow-up p-Value
ODI item four  
 Treatment sessions (median, range) n = 18 (5, 0-10) n = 18 (5, 0-10) 0.763 n = 49 (18,12-23) n = 49 (18,12-23)
 Pain does not prevent walking 6 (33) 5 (28) 10 (20) 8 (16)
 Walking distance 1 km 7 (39) 8 (44) 12 (25) 24 (49)
 Walking distance 500 m 4 (22) 3 (17) 12 (25) 10 (21)
 Walking distance 100 m 1 (6) 2 (11) 14 (28) 7 (14)
 In need of crutches 0 0 1 (2) 0
 Mostly bedridden 0 0 0 0 0.006
Self-rated walking distance  
 Treatment sessions (median, range) n = 21 (5, 0-10) n = 21 (5, 0-10) 0.783 n = 50 (18,12-23) n = 50 (18,12-23)
  < 100 m 1 (5) 1 (5) 1 (2) 3 (6) 0.032
 100 till 500 m 8 (38) 8 (38) 26 (52) 17 (34)
 0,5 - 1 km 3 (14) 2 (10) 9 (18) 9 (18)
  > 1 km 9 (43) 10 (47) 14 (28) 21 (42)
  1. Bold text p < .05