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A retrospective comparative research aimed to study and compare the rate of diabetic wound healing and the rate of foot and leg amputations between patient with diabetic foot ulcer who were treated with conventional therapy and the combined conventional therapy with hyperbaric oxygen therapy (HBOT).
The sample consists of 114 type 2 diabetic patients with Wagner grade 3 - 4 at Somdej Pranangchaosirikit hospital during 2016 - 2020, which were devided into 2 groups. A group of 57 patients received conventional therapy and 57 patients received the combined conventional therapy with HBOT. The research instrument was a medical record with content validity index of 0.80. Data were analyzed using descriptive statistics and chi-square statistics. The results revealed that:
1) The rate of wound healing was 91.23% in HBOT group and 89.47% in conventional therapy group. Meanwhile, there was no statistically significant difference in the proportion of wound healing between the two groups.
2) The rate of foot and leg amputation was 49.12% in HBOT group and 70.18% in conventional therapy group. For comparison, the proportion of foot and leg amputation between HBOT group was lower than conventional therapy group with statistical significance at .05 level. Patients with diabetic foot ulcers who received the combined conventional therapy with HBOT had a 30 percent lower risk of foot and leg amputations.
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