Table 2

Baseline characteristics of wound

OverallConventionalOrthèse DiabèteMissing data (n)
Number1125854
Previous foot ulcer74 (66)39 (67)35 (65)1
Wound location21
 Right foot44 (39)23 (40)21 (39)
 Toe29 (32)16 (35)13 (29)
 Forefoot39 (43)16 (35)23 (51)
 Midfoot16 (17)10 (22)6 (13)
 Hindfoot7 (8)4 (8)3 (7)
Wound duration21
 <1 week3 (3)1 (2)2 (4)
 1–2 weeks17 (19)8 (18)9 (20)
 >2 weeks71 (78)37 (80)34 (76)
Wound depth (mm)5 (2 to 10)5 (2 to 10)6.5 (3 to 10)21
Multiple ulcers (>1)21 (17)12 (21)9 (17)0
Infection26 (23)14 (24)12 (22)21
 Soft tissue infection21 (19)10 (17)11 (20)
 Osteomyelitis10 (9)4 (7)6 (11)
Ipsilateral ankle brachial index1.14±0.191.10±0.211.19±0.1720
 ≤0.9 range12 (13)9 (19)3 (7)
 ≥1.40 range11 (12)5 (10)6 (14)
Lower-extremity artery disease33 (29)19 (33)14 (26)2
History of lower-limb amputation0
 Ipsilateral47 (42)26 (45)21(39)
  Toe37 (79)21 (81)16 (76)
  Transmetatarsal10 (21)5 (19)5 (24)
 Controlateral16 (14)4 (7)12 (22)
  Toe14 (77)4 (100)10 (83)
  Transmetatarsal2 (13)0 (0)2 (17)
Classification of index ulcer according PEDIS score*
 Perfusion20
  Grade 183 (90)42 (88)41 (93)
  Grade 29 (10)6 (12)3 (7)
 Extent/Size (cm²)1.4 (0.6 to 3.7)1.2 (0.5 to 3.6)1.6 (0.8 to 4.2)0
 Depth/Tissue loss12
  Grade 169 (69)32 (65)37 (72)
  Grade 222 (22)12 (25)10 (20)
  Grade 39 (9)5 (10)4 (8)
 Infection21
  Grade 165 (71)32 (70)33 (74)
  Grade 216 (18)10 (21)6 (13)
  Grade 310 (11)4 (9)6 (13)
 Sensation0
  Grade 1000
  Grade 2112 (100)58 (100)54 (100)
Clinical status of the wound bed tissue1
 Granulation tissue43 (38)18 (31)25 (46)
 Sloughy44 (39)18 (31)26 (48)
 Heterogenous4 (4)3 (5)1 (2)
 Necrotic2 (2)0 (0)2 (4)
 Hemorrhagic12 (11)7 (12)5 (9)
 Infected6 (5)4 (7)2 (4)
Hyperkeratosis56 (50)30 (52)26 (48)1
Type of dressing1
 Fat23 (21)10 (17)13 (24)
 Hydrocolloid10 (9)7 (12)3 (6)
 Hydrogel0 (0)0 (0)0 (0)
 Alginate56 (50)33 (57)23 (43)
 Hydrofibre7 (6)2 (3)5 (9)
 Antimicrobial2 (2)0 (0)2 (4)
 Others18 (16)8 (14)10 (19)
Offloading before inclusion39 (35)16 (28)23 (43)21
  • Data expressed as number (percentage) of participants and mean±SD or median (25th, 75th percentiles) for continuous variables with skewed distribution (wound depth). Missing data are presented as number of participants.

  • *From Schaper.33