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Table 4 Frequency distributions and/or means (SDs) of clinical outcome variables at baseline and following an average of 17 days, 4.5 visits and 2.4 upper cervical adjustments

From: Symptomatic reactions, clinical outcomes and patient satisfaction associated with upper cervical chiropractic care: A prospective, multicenter, cohort study

   Baseline    Follow-Up   Reached Sub-Clinical Status*  
Clinical Outcome         
  N   % N   %   %
Neck NRS         
None (0-2) 127   15.01% 525   62.06% Total Sample: 62.20%
Mild (3-4) 215   25.41% 199   23.52% Pre ≥3 57.10%
Moderate (5-7) 338   39.95% 103   12.17%   
Severe (8-10) 166   19.62% 19   2.25%   
Mean (SD)   5.2 (2.4)    2.3 (2.1) Δ3.0 (56.8%)   
HA NRS         
None (0-2) 136   20.54% 450   67.98% Total Sample: 68.00%
Mild (3-4) 157   23.72% 118   17.82% Pre ≥3 62.70%
Moderate (5-7) 208   31.42% 73   11.03%   
Severe (8-10) 161   24.32% 21   3.17%   
Mean (SD)   5.1 (2.7)    1.9 (2.3) Δ3.2 (62.8%)   
MBP NRS         
None (0-2) 150   22.09% 460   67.75% Total Sample: 67.90%
Mild (3-4) 209   30.78% 127   18.70% Pre ≥3 63.00%
Moderate (5-7) 204   30.04% 76   11.19%   
Severe (8-10) 116   17.08% 16   2.36%   
Mean (SD)   4.7 (2.5)    2.0 (2.1) Δ2.8 (58.6%)   
LBP NRS         
None (0-2) 124   14.90% 507   60.94% Total Sample: 61.20%
Mild (3-4) 199   23.92% 163   19.59% Pre ≥3 55.90%
Moderate (5-7) 283   34.01% 127   15.26%   
Severe (8-10) 226   27.16% 35   4.21%   
Mean (SD)   5.5 (2.6)    2.4 (2.3) Δ3.2 (57.0%)   
NDI         
None (0-9) 75   10.40% 305   42.36% Total Sample: 42.40%
Mild (10-29) 357   49.51% 316   43.89% Pre ≥10% 37.60%
Moderate (30-49) 200   27.74% 77   10.69%   
Severe (≥50) 89   12.34% 22   3.06%   
Mean (SD)   28.2 (16.7)    14.9 (13.5) Δ13.3 (47.1%)   
Oswestry         
None (0-9) 105   14.64% 315   43.93% Total Sample: 43.90%
Mild (10-29) 361   50.35% 309   43.10% Pre ≥10% 36.90%
Moderate (30-49) 174   24.27% 73   10.18%   
Severe (≥50) 77   10.74% 20   2.79%   
Mean (SD)   25.9 (17.1)    14.2 (13.8) Δ11.6 (45.0%)   
Patient Satisfaction     1089 9.1(1.6)    
  1. NRS = 0 to 10 numeric rating scale.
  2. * Post subclinical scores for the NDI and OBI are <10%; post subclinical scores for the NRS measures are <3. (Net = Follow-up - Baseline)