Figure 1.
The actual application of topical oxygen therapy to 4 patients with diabetic foot ulcer.
Table 1.
Status of patients’ wounds in the control and experimental groups.
| Wagner wound classification | Control group | Experimental group | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day 0 | Day 7 | Day 14 | Day 0 | Day 7 | Day 14 | |||||||
| F | % | F | % | F | % | F | % | F | % | F | % | |
| Grade 0 | 6 | 20 | ||||||||||
| Grade 1 | 3 | 10.0 | 11 | 36.7 | 7 | 23.3 | 1 | 3.3 | 1 | 3.3 | 2 | 6.7 |
| Grade 2 | 14 | 46.7 | 10 | 33.3 | 14 | 46.7 | 16 | 53.3 | 16 | 53.3 | 10 | 33.3 |
| Grade 3 | 13 | 43.3 | 9 | 30.0 | 3 | 10.0 | 13 | 43.3 | 12 | 40.0 | 14 | 46.7 |
| Grade 4 | 1 | 3.3 | 4 | 13.3 | ||||||||
Table 2.
Patient’s wound grade before and after the implementation of usual wound care and topical oxygen therapy for both control and experimental groups.
| Day | Mean | SD | Wagner score in numerical value | Verbal interpretation of Wagner classification |
|---|---|---|---|---|
| Control group | ||||
| Day 0 | 2.40 | 0.563 | 2 | Deep ulceration |
| Day 7 | 2.43 | 0.626 | 2 | Deep ulceration |
| Day 14 | 2.67 | 0.802 | 3 | Deep ulceration with abscess/osteomyelitis |
| Experimental group | ||||
| Day 0 | 2.33 | 0.661 | 2 | Deep ulceration |
| Day 7 | 1.93 | 0.828 | 2 | Deep ulceration |
| Day 14 | 1.47 | 0.937 | 1 | Superficial lesion |
Table 3.
Comparison of wound grade of patients before and after the implementation of usual care and topical oxygen therapy in the experimental group.
| Day | Mean | SD | Friedman’s test (Chi-square) | P value | Verbal interpretation |
|---|---|---|---|---|---|
| Experimental group | 36.083 | P = 0.000 <0.05* | Significant | ||
| Day 0 | 2.33 | 0.661 | |||
| Day 7 | 1.93 | 0.828 | |||
| Day 14 | 1.47 | 0.937 |
Table 4.
Comparison of wound grades of patients before and after the implementation of usual care in the control group.
| Day | Mean | SD | Friedman’s (Chi square) | P value | Verbal interpretation |
|---|---|---|---|---|---|
| Control group | 5.7 | P = 0.058 >0.05* | Not significant | ||
| Day 0 | 2.40 | 0.563 | |||
| Day 7 | 2.43 | 0.626 | |||
| Day 14 | 2.67 | 0.802 |
Table 5.
Comparison of wound grades of patients in the control and experimental groups per day of evaluation.