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. 2007 Mar 27;8:12. doi: 10.1186/1471-2296-8-12

Table 2.

Post Hoc testing of adjusted imaging rates for ultrasound (MBS item 55808).

Comparison 1Estimate 95% Lower Limit 95% Upper Limit ChiSq P-value Sig
Period 1: control vs. academic detailing 0.701 0.470 1.045 3.04 0.081 NS
Period 2: control vs. academic detailing 1.022 0.597 1.749 0.01 0.938 NS
Period 3: control vs. academic detailing 1.080 0.690 1.689 0.11 0.737 NS
Period 4: control vs. academic detailing 0.831 0.565 1.223 0.88 0.348 NS
Control: period 1 vs. period 2 0.896 0.629 1.277 0.37 0.545 NS
Control: period 1 vs. period 3 0.933 0.758 1.150 0.42 0.517 NS
Control: period 1 vs. period 4 0.975 0.791 1.202 0.06 0.813 NS
Control: period 2 vs. period 3 1.041 0.714 1.519 0.04 0.834 NS
Control: period 2 vs. period 4 1.088 0.768 1.540 0.22 0.636 NS
Control: period 3 vs. period 4 1.045 0.846 1.289 0.17 0.685 NS
Academic detailing: period 1 vs. period 2 1.306 0.951 1.795 2.72 0.099 NS
Academic detailing: period 1 vs. period 3 1.438 1.254 1.649 26.94 <.0001 *
Academic detailing: period 1 vs. period 4 1.156 0.956 1.398 2.24 0.134 NS
Academic detailing: period 2 vs. period 3 1.101 0.807 1.501 0.37 0.544 NS
Academic detailing: period 2 vs. period 4 0.885 0.643 1.218 0.56 0.453 NS
Academic detailing: period 3 vs. period 4 0.804 0.656 0.986 4.39 0.036 *

Nb. No adjustment has been made for multiple comparisons

1The estimate represents the post hoc comparison Rate Ratio

NS – Not Significant

* Indicates p < 0.05.