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. Author manuscript; available in PMC: 2013 Jun 24.
Published in final edited form as: Acad Emerg Med. 2012 Apr;19(4):430–438. doi: 10.1111/j.1553-2712.2012.01330.x

Table 3.

Summary of Inferential Tests for factorial ANOVA models predicting Time to Analgesic

Model 1 Model 2
Source F (p) F (p)
Study Period 0.14 (0.702) 0.07 (0.788)
Site 184.92 (<0.001) 229.68 (<0.001)
Site × Study Period 0.64 (0.525)
Visit 0.24 (0.788)
Visit × Study Period 0.64 (0.528)

Differences in the increase in time to administration of the initial analgesic from pre- to post-implementation period were due to increases in times at Site 2.