Table 2.
Patients’ baseline characteristics
| Number of patients (Total = 40) | Group 1 n = 10 |
Group 2 n = 10 |
Group 3 n = 10 |
Group 4 n = 10 |
Pa value |
|---|---|---|---|---|---|
| Age in years, Mean (SD) | 59.7 (18.8) | 60.1 (14.8) | 61.6 (14.4) | 50.3 (17.7) | 0.4 |
| Sex ratio, M:W | 6:4 | 3:7 | 4:6 | 4:6 | – |
| Time since IPK apparition in months, Mean (SD) | 213.0 (228.3) | 192.6 (140.9) | 132.0 (74.7) | 62.8 (69.2) | 0.1 |
| Time before first consultation in weeks, Mean (SD) | 439.4 (602.4) | 153.4 (198.6) | 242.0 (503.5) | 119.2 (201.2) | 0.3 |
| Time spent standing hours/day, Mean (SD) | 6.5 (2.9) | 6.0 (2.3) | 7.9 (3.2) | 6.9 (3.2) | 0.5 |
| Debridement frequency before study in days, Mean (SD) | 100.9 (102.2) | 142.8 (134.4) | 98.9 (29.0) | 91.3 (38.3) | 0.6 |
| Smoking (n) | 6 | 2 | 2 | 4 | 0.2 |
| Plantar orthoses worn daily (n) | 5 | 3 | 4 | 2 | 0.5 |
| Macerated IPK at first visit (n) | 6 | 3 | 3 | 3 | 0.4 |
| Presence of foot deformity (n) | 3 | 6 | 4 | 2 | 0.3 |
| IPK location ratio, Met:H:S | 10:0:0 | 10:0:0 | 7:2:1 | 7:0:2 | – |
a P-value calculated with the chi-squared test
SD standard deviation; M men; W women; IPK intractable plantar keratoma; Met under metatarsal head; H under the heal; S under styloid process of the 5th metatarsal; n number