Clinical Study

Topical Administration of Pirfenidone Increases Healing of Chronic Diabetic Foot Ulcers: A Randomized Crossover Study

Table 2

Baseline ulcer characteristics.

CharacteristicsTotal
()
Group 1
()
Group 2
()

Size, cm21.32 [0.49–6.55]0.75 [0.40–7.56]1.40 [1.08–3.41]0.630

Depth0.955
 Superficial15 (42.9)9 (42.9)6 (42.9)
 Dermis, muscle, tendon18 (51.4)11 (52.4)7 (50.0)
 All layers2 (5.7)1 (4.8)1 (7.1)

ABI right0.406
 Normal7 (20)5 (23.8)2 (14.3)
 Noncompressible28 (80)16 (76.2)12 (85.7)

ABI left0.003
 Normal11 (32.4)10 (50)1 (7.1)
 PAD3 (8.8)3 (15)0
 Noncompressible20 (58.8)8 (35)13 (92.9)

Depth0.970
 Superficial15 (41.6)9 (40.9)6 (42.9)
 Dermis, muscle, tendon18 (50)11 (50)7 (50)
 All layers3 (8.3)2 (9.1)1 (7.1)

Data expressed in median [interquartile range] or number (percentage).
ABI: ankle brachial index; PAD: peripheral arterial disease.
ABI was classified as follows: normal from >0.9–1.3, ≤0.9 PAD, <0.4 severe PAD, and >1.3 noncompressible vessel [11].
In one patient left ABI could not be estimated due to history of amputation.