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QuantitativeResearchDesignANDREA.pptx
Discussion Forum: Quantitative Research
Andrea Roodvoets
Problem: Will low-pressure pulsatile lavage in addition to standard treatment reduce healing times of diabetic patients with stage 2 and 3 pressure ulcers? Purpose: To reduce healing times for diabetic patients with stage 2 and 3 pressure ulcers by using low-pressure pulsatile lavage in addition to standard treatment. Hypothesis: If diabetic patients with stage 2 and 3 pressure ulcers receive low-pressure pulsatile lavage in addition to standard treatment then their healing times will be reduced
Intervention: Low-pulsatile lavage in addition to standard treatment
Dependent Variable: Healing times
Independent Variable: Low-pulsatile lavage in addition to standard treatment
Conceptual framework of Two-group randomized controlled trial with pretest/posttest design
Randomized patients with stage 2 or 3 pressure ulcers
Randomized patients with stage 2 or 3 pressure ulcers
Measurement of pressure ulcer
Measurement of pressure ulcer
Standard treatment
Low –pressure pulsatile lavage + standard treatment
Measurement of pressure ulcer
Measurement of pressure ulcer
Two-group randomized controlled trial with pretest/posttest design
The research design best suited for this study is an experimental study design using a randomized controlled trial or “RCT”. The two-group RCT with pretest/posttest design and structurally equivalent comparison group is best due to the true testing of the cause-and-effect relationship.
Under a quarter of studies in US healthcare used RCT to study nondrug interventions due to ethics, finances, and time commitments (Finkelstein, 2020). More of these studies should be reevaluated and used in order to save money in the long run by using less drugs and more effective interventions in addition to discharging patients at a faster rate.
This design is best suited to compare the outcomes of standard care vs the addition of another intervention. In a study done by Kirthika et al. 2018, this design was used and was the best way to compare adding extra interventions by using the control group as the standard of care and the experimental group as the added intervention.
References
Finkelstein, A. (2020). A strategy for improving U.S. health care delivery- conducting more randomized, controlled trials. The New England Journal of
Medicine, 382(16), 1485-1488. http://dx.doi.org/10.1056/NEJMp1915762
Kirthika, V., Sudhakar, S., Padmanabhan, K., Ramachandran, S., & Kumar, M. (2018). Efficacy of combined proprioceptive exercises and conventional
physiotherapy in patients with knee osteoarthritis: A double-blinded two-group pretest-posttest design. Journal of Orthopedics, Traumatology and
Rehabilitation, 10(2), 94-97. http://doi.org/10.4103/jotr.jotr_40_17
