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["Supplementary Table 2 Comparison of blood collection time points between the two groups"]
[]
["Point of time (hours)",null,"Before surgery","24 h after","96 h after","144 h after"]
[{"$nulls":3}," surgery"," surgery"," surgery"]
[null,"Naloxone","53.61±6.53","23.67±1.82","97.05±3.46","144.38±3.83"]
[null,"Nonnaloxone","54.10±6.72","24.05±2.21","97.75±5.22","144.55±5.56"]
[null,"t value",0.23,0.61,0.51,0.11]
[null,"P value",0.82,0.55,0.61,0.91]
[]
["There were no significant differences in blood collection time points between the groups before surgery, 24 h after surgery, 96 h after surgery or 144 h after surgery."]

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