This study supports the efficacy of current intravenous antibiotics protocols but questions the efficacy of both clindamycin and levofloxacin in empirically treating periprosthetic infections and cephalexin in providing effective perioperative prophylaxis against skin flora. Because bacterial sensitivities vary by location and patient population, this study encourages other centers to develop their own antibiogram specifically tailored to periprosthetic infections to improve antimicrobial decision making and potentially improve implant salvage.
Variation of cricket calling songs can be attributed to environmental factors, including temperature, humidity, vegetation, season, solar elevation, and geographic location. Recent studies found that latitudinal position affects the calling song of male Gryllus pennsylvanicus. My project evaluates whether longitudinal position influences the calling song of G. pennsylvanicus. Using the predicted values of 4 song features based on a mathematical model (Burden 2009), I evaluated data from 6 locatons along a longitudinal axis. I calculated R2 values to determine how well the model predicted the values in my sample populations. The model was found to be a poor predictor.
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