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Table 1 Age differences in MFPDI foot pain definitions-n (%) [95% CI].

From: Age and gender differences in disabling foot pain using different definitions of the Manchester Foot Pain and Disability Index

MFPDI definition 27 to 50 years
(n = 47)
51 to 60 years
(n = 57)
61 to 70 years
(n = 62)
71 years and over
(n = 57)
Significance
Definition A      
   No disabling foot pain 0 (0) 0 (0) 0 (0) 0 (0) -
   Disabling foot pain 47 (100) 57 (100) 62 (100) 57 (100)  
Definition B      
   No disabling foot pain 4 (8.5) [0.4-16.6] 3 (5.3) [-0.6-11.1] 3 (4.8) [-0.6-10.3] 1 (1.8) [-1.7-5.2] p = 0.453†
   Disabling foot pain 43 (91.5) [83.4-99.6] 54 (94.7) [88.9-100.6] 59 (95.2) [89.7-100.6] 56 (98.2) [94.8-101.7]  
Definition C      
   No disabling foot pain 17 (36.2) [22.2-50.1] 14 (24.6) [13.2-35.9] 16 (25.8) [14.8-36.8] 3 (5.3) [0.06-11.1] p = 0.001*†
   Disabling foot pain 30 (63.8) [49.9-77.8] 43 (75.4) [64.1-86.8] 46 (74.2) [63.2-85.2] 54 (94.7) [88.9-100.6]  
  1. * p < 0.05
  2. †some cell counts n < 5, therefore Fisher's exact test applied
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