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Table 4 Changes of heart rate during pinning

From: Comparison of the effect of different infusion rates of sufentanil on surgical stress index during cranial pinning in children under general anaesthesia: a randomized controlled study

  low mid high
Baseline 105.3[89.3–134.6] 103.0[89.4–146.8] 100.9[86.3–126.2]
1 124.2[94.1–145.6]** 116.6[92.9–166.4] 108.2[92.1–136.2]
2 115.8[93.3–145.5]* 114.7[90.7–161.7] 101.1[89.4–128.0]
3 103.1[92.0–135.2] 118.0[89.8–153.2] 103.9[80.0–124.2]
4 97.2[92.0–130.9] 113.3[87.6–149.9] 103.8[77.8–122.6]
5 94.4[89.3–130.0] 111.0[87.3–146.5] 102.3[76.7–121.3]
  1. Values are median [interquartile range:IQR]
  2. *P < 0.05 compared to baseline values
  3. **P < 0.01 compared to baseline values