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Flat Foot and Its Association with Mechanical Low Back Pain: A Case-Control Study Utilizing Clarke’s Angle Measurement

World Journal of Clinical Medicine Research | Vol 5, Issue 1

Table 1. Demographic and Clinical Characteristics of the Research Population.

Subjects CharaceristicsMLBP (n=50)Healthy Controls (n=50)p value
Age50.92 ± 11.6646.44 ± 11.230.115
Weight57.86 ± 11.38 56.68 ± 12.090.956
Height157.36 ± 6.79157.72 ± 7.670.226
Gender  0.841
Male 23 (46 %)22 (44 %) 
Female27 (64 %)28 (66 %) 
BMI category  0.754
Underweight7 (14 %)11 (22 %) 
Normal13 (26 %)13 (26 %) 
Overweight 12 (24 %)10 (20 %) 
Obese 18 (36 %)16 (32 %) 
Foot type   
Normal21 (42 %)41 (82 %) 
Flat foot unilateral15 (30 %)6 (12 %) 
Flat foot bilateral14 ( 28 %)3 ( 6 %) 
Clinical characteristics of MLBP
Site of MLBP   
Buttock1 (2 %)  
Paravertebra49 (98%)  
LBP Involvement   
Right11 (22 %)  
Left 17 (34 %)  
Bilateral22 (44%)  
Pain severity   
Low (NRS 1-3)13 (26%)  
Moderate (NRS 4-6)37 ( 74%)  
Severe (NRS 7-10)0 (0%)  
Onset   
Acute ( < 6 weeks)48 (96%)  
Subacute ( 6 weeks - 3 months)2 (4 %)  
Chronic ( > 3 months)0 (0%)