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Figure 2 Effect of sedation on pH. Data are expressed as mean±SD. Group A: sedation group, group B: no-sedation group. P value less than 0.05 is considered statistically significant. pH_0=baseline pH at intubation, pH_1 is pH 1 h after intubation, pH_2 is pH 2 h after intubation, pH_3 is pH 12 h after intubation, pH_4 is pH 24 h after intubation, and pH_5 is pH 48 h after intubation. |
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