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Table 2 Changes from baseline to post-test within and between the intervention group engaging in Nordic Walking and the control group engaging in Low-intensive walking

From: Does moderate-to-high intensity Nordic walking improve functional capacity and pain in fibromyalgia? A prospective randomized controlled trial

  Nordic walking (NW) Low-intensive walking (LIW) Δ NW vs. Δ LIW
  Baseline
Mean (SD)
N= 34
Post test vs. baseline
Δ (SD)
N= 29a
P-value Baseline
Mean (SD)
N= 33
Post test vs. baseline
Δ (SD)
N= 29b
P-value P-value
Primary Outcomes        
   6MWT, meter 525 (71.1) 37.7 (41.8) <0.001 522 (56.1) 8.6 (42.2) 0.105 0.009
   FIQ Pain, score 63.9 (21.2) -4.0 (14.5) 0.190 71.5 (20.7) -5.3 (16.3) 0.065 0.626
Secondary outcomes  
Exercise heart rate at
ergometer test, beats/minute
124.5(17.1) -8.9 (12.8) 0.001 121.1 (12.2) -3.1 (9.6) 0.079 0.020
   FIQ Physical, score 42.8 (20.5) -7.9 (12.6) 0.004 41.9 (23.35) 1.3(15.6) 0.929 0.027
   FIQ Total, score 61.7 (18.3) -4.8(12.3) 0.048 62.9 (18.6) 1.9(14.2) 0.374 0.064
Explorative variables
MFI, score
 
   General Fatigue 17.0 (3.1) -0.9 (2.9) 0.091 17.3 (3.1) -0.1 (2.7) 0.972 0.116
   Physical Fatigue 16.2 (3.5) -0.5 (2.8) 0.319 17.2 (3.5) -1.0 (3.6) 0.280 0.932
   Reduced Activity 14.5 (4.5) -0.2 (2.8) 0.476 15.6 (4.4) -0.5 (4.0) 0.194 1.000
   Reduced Motivation 11.7 (4.3) -1.0 (3.0) 0.072 10.3 (4.4) 0.9 (3.2) 0.287 0.031
   Mental Fatigue 14.9 (3.5) 0.1 (2.5) 0.608 15.1 (3.9) -0.4 (2.6) 0.461 0.336
  1. Mean values, standard deviations (SD) and P-values for changes within and between the groups are given.
  2. aThe 6MWT was missing in a protocol, and the MFI scores in another. bThe FIQ scores were missing in a protocol and the MFI scores in two protocols. 6MWT, Six-Minute Walk Test, FIQ, Fibromyalgia Impact Questionnaire, MFI, Multidimensional Fatigue Inventory.