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Table 4 Total contact casting treatment

From: Duration of total contact casting for resolution of acute Charcot foot: a retrospective cohort study

  Median TCC duration  
Variable Total
(N = 27)
<  4 months
(n = 12)
>  4 months
(n = 15)
OR (95% CI) P-value*
TCC applications
 Total number 421 101 320 N/A N/A
 Mean (SD), per participant 15.6 (9.2) 8.4 (2.3) 21.3 (8.5) N/A N/A
TCC duration
 Median (IQR), months 4.3 (2.7 to 7.8) 2.6 (2.1 to 3.4) 6.0 (4.4 to 8.9) N/A N/A
Ambulation status
 Walking with post-operative shoe, n (%) 21 (77.8) 10 (83.3) 11 (73.3) 0.55 (0.08 to 3.68) 0.662
 Wheelchair bound, n (%) 2 (7.4) 1 (8.3) 1 (6.7) 0.79 (0.04 to 14.03) >  0.99
 Crutches, n (%) 3 (11.1) 1 (8.3) 2 (13.3) 1.69 (0.14 to 21.27) >  0.99
 Scooter, n (%) 1 (3.7) 0 (0) 1 (6.7) 0.93 (0.82 to 1.07) >  0.99
Total number of complications/adverse events 21 7 14 N/A N/A
Complications/adverse events, n (%) 16 (59.3) 6 (50.0) 10 (66.7) 2.00 (0.42 to 9.52) 0.452
 Ulceration, n (%) 2 (7.4) 0 (0) 2 (13.3) 0.87 (0.71 to 1.06) 0.487
 Amputation, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
 Infection, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
 Deep vein thrombosis, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
 Falls, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
 Asymmetry pain, n (%) 6 (22.2) 2 (16.7) 4 (26.7) 1.82 (0.27 to 12.17) 0.662
 Rubbing/irritation, n (%) 11 (40.7) 5 (41.7) 6 (40.0) 0.93 (0.20 to 4.37) >  0.99
 Self-inflicted, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
 Other, n (%)a 2 (7.4) 0 (0) 2 (13.3) 0.87 (0.71 to 1.06) 0.487
 None, n (%) 11 (40.7) 6 (50.0) 5 (33.3) 1.00 (0.20 to 5.00) >  0.99
Treatment after TCC
 Specialised footwear and custom foot orthoses, n (%) 13 (48.1) 4 (33.3) 9 (60.0) 3.00 (0.62 to 14.62) 0.168
 Life-long CROW, n (%) 7 (25.9) 5 (41.7) 2 (13.3) 0.22 (0.03 to 1.41) 0.185
 Reconstructive/bone surgery, n (%) 4 (14.8) 1 (8.3) 3 (20.0) 2.75 (0.25 to 30.51) 0.605
 Soft tissue surgery, n (%) 2 (7.4) 1 (8.3) 1 (6.7) 0.79 (0.04 to 14.03) >  0.99
 CAM walker, n (%) 1 (3.7) 1 (8.3) 0 (0) 1.09 (0.92 to 1.29) 0.444
Recurrent Charcot foot, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
Contralateral Charcot foot, n (%) 3 (11.1) 1 (8.3) 2 (13.3) 1.69 (0.14 to 21.27) >  0.99
 Charcot pattern      
  Tarsometatarsal joints, n (%) 1 (33.3) 0 (0) 1 (50.0) N/A N/A
  NC, TN, CC joints, n (%) 1 (33.3) 0 (0) 1 (50.0) N/A N/A
  Ankle and subtalar joints, n (%) 0 (0) 0 (0) 0 (0) N/A N/A
  Combination, n (%)b 1 (33.3) 1 (100.0) 0 (0) N/A N/A
  1. Data are n (%) or OR (95% CI), unless otherwise specified. Percentages may not add up to 100%, as they are rounded to the nearest percent
  2. CAM, controlled ankle motion; CC, calcaneocuboid; CI, confidence interval; CROW, Charcot restraint orthotic walker; IQR, interquartile range; N/A, not applicable; NC, naviculocuneiform; OR, odds ratio; SD, standard deviation; TCC, total contact casting; TN, talonavicular
  3. *Significant difference between ‘< 4 months’ and ‘> 4 months’ median TCC duration groups, p < 0.05
  4. aOne participant (3.7%) developed dermatitis. One participant (3.7%) experienced a plaster saw cut on removal of TCC
  5. bOne participant (3.7%) had a combination Charcot pattern involving the tarsometatarsal joints and the NC, TN and CC joints