Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
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Original Article

Volume 6, Number 6, December 2014, pages 429-434

Treatment of Severe Poison Ivy: A Randomized, Controlled Trial of Long Versus Short Course Oral Prednisone


Figure 1.
Figure 1. Patients enrollment flowchart.


Table 1. Patients Demographics
Short courseLong courseTotal
Age mean40.8934.0937.88 (SD 17.45, range 15 - 86)


Table 2. Clinical Outcomes
Short course/27Long course/22Total/49P valueMean difference
Noncompliance reported1230.581
Reported improvement of rash2221430.204
Mean time to improvement4.42 days (SD 4.13 days)2.93 days (SD 1.23 days)0.109-1.49 days
Mean time to resolution14.63 days (SD 8.87 days)11.7 days (SD 7.39 days)0.23-2.93 days
Rash return?/td>4370.91
  Return in same location?/td>426
Side effects3030.239
Use of other medication:155200.02


Table 3. Statistical Significance of Use of Extra Medications
Short course/27Long course/22Total/49P value95% confidence intervals
Use of other medication:155200.02
  Prednisone, Rx9211
  Depo Medrol, Rx101
  Triamcinolone, Rx101
  Calamine, OTC246
  Antihistamine, OTC224
  Hydrocortisone cream, OTC303
  Gold bond lotion, OTC101
  Other lotion, OTC202
Event rate22.70%55.60%
Absolute risk reduction32.90%0.139 - 0.385
Relative risk reduction59.20%0.331 - 0.611
Number needed to treat3.052.60 - 7.19
Relative risk0.410.18 - 0.95
Odds ratio0.240.067 - 0.824