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Table 5 Frequency distributions and means (SDs) of symptomatic reactions (SRs), by type of reaction

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

SR Type Musculoskeletal Patient Reported SR Intensity Mean (SD) 11-pt. SR by Definition % of All SRs Intense SR ≥ 8 NRS %
Neck 394 3.4 (2.2) 79 5.4 22 2.0
Lumbar 129 3.4 (2.1) 21 1.4 7 0.6
Thoracic 13 3.8 (2.2) 3 0.2 2 0.2
Other* 18 4.6 11 0.8 2 0.2
*Clavicle, Knee, TMJ, Physical Activity Restriction, Foot, Spasm, Shoulder, Hip, Groin
SR Type Neurological Circulatory Patient Reported SR Intensity Mean (SD) 11-point SR by Definition % of All SRs Intense SR8 NRS %
Tiredness 210 3.6 (2.2) 151 10.4 13 1.2
Radiating 142 4.1 (2.4) 92 6.3 12 1.1
Headache 201 3.8 (2.3) 61 4.2 17 1.6
Dizziness 115 3.1 (2.2) 71 4.9 6 0.6
Arm/Leg Weakness 53 4.0 (2.3) 39 2.7 4 0.4
Tinnitis 48 3.2 (2.3) 25 1.7 3 0.3
Nausea 31 3.6 (2.3) 23 1.6 1 0.1
Blurred Vision 22 3.3 (1.7) 16 1.1 0 0
Numbness 4 4.5 (2.9) 2 0.1 1 0.1
Ear 4 4.0 (4.1) 2 0.1 1 0.1
Fainting 2 4.0 (5.7) 1 0.1 1 0.1
Other* 10 3.4 6 0.4 1 0.1
*Sinus, Abdominal, Heat, Eye, Shortness of Breath
SR Type Psychological Patient Reported SR Intensity Mean (SD) 11-point SR by Definition % Intense SR8 NRS %
Confusion 30 3.2 (2.1) 19 1.7 1 0.1
Depression 25 3.7 (2.9) 12 1.1 2 0.2
Mood 2 3.0 (2.8) 1 0.1 0 0.0
Sleep 2 6.0 (1.4) 1 0.1 0 0.0
Focus 1 7.0 1 0.1 0 0.0
  1. Symptomatic Reactions (SR) reported and defined. Patients may report SRs that do not meet the accepted definition of SR, i.e. "A new symptom not present at baseline or a worsening of a presenting complaint by >30%." This table list reported SR with the mean intensity and SR by definition for presenting complaints of musculoskeletal, neurological/circulatory or psychological origins.