Look at Table 1 in the article. The researchers looked at the average PaO₂ level within the closed ES group at multiple points in time utilizing repeat-measures ANOVA. What does this test result indicate?

Let’s look at the use of ANOVA in the following nursing research article:
Özden, D., & Görgülü, R. S. (2015). Effects of open and closed suction systems on the haemodynamic parameters in cardiac surgery patients. Nursing in Critical Care, 20(3), 118–125. doi:10.1111icc.12094

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TABLE 10-1 SBP for Caucasian, African American, and Latino Men Caucasian African American Latino 134 112 108 196 178 110 143 123 178 156 123 145 165 110 139 164 127 120 118 146 124 114 123 126 118 142 123 156 150 122 116 140 119 128 132 118 142 116 154 119 130 121