Look at Table 1 in the article. What happened to the average PaO₂ level for patients who had closed ES from baseline to as soon as the suctioning was terminated?

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 178 156 134 112 108 196 178 110 143 123 123 165 110 123 126 118 142 123 156 150 114 122 116 140 119 128 145 164 127 139 120 118 146 124 132 118 154 121 142 116 119 130