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Table 2 Average trend of BIS, heart rate, and MAP during cataract surgery between two intervention groups

From: A longitudinal analysis of anesthesia data for cataract surgery: selection of working correlation structure

Variables Propofol (n = 30) Isoflurane (n = 30) P value
Pre BIS 94.36 ± 2.95 94.40 ± 2.89 0.970
BIS 1 min 54.00 ± 12.56 56.46 ± 11.16 0.424
BIS 3 min 43.63 ± 9.70 49.40 ± 11.92 0.048
BIS 5 min 46.06 ± 10.95 47.53 ± 9.42 0.615
BIS 8 min 46.23 ± 9.29 48.26 ± 9.00 0.433
BIS 13 min 47.76 ± 9.40 48.00 ± 6.95 0.906
BIS 18 min 46.56 ± 8.35 47.3 ± 7.28 0.739
BIS 23 min 48.38 ± 13.58 48.60 ± 7.86 0.563
BIS in LMA time 84.86 ± 5.76 86.77 ± 4.23 0.219
Pre HR 75.70 ± 13.14 74.20 ± 13.47 0.664
HR 1 min 69.13 ± 12.65 66.06 ± 10.38 0.309
HR 3 min 69.37 ± 12.50 67.56 ± 10.81 0.553
HR 5 min 69.66 ± 12.67 66.03 ± 11.19 0.244
HR 8 min 69.33 ± 11.32 65.66 ± 11.74 0.233
HR 13 min 68.66 ± 12.35 63.43 ± 10.63 0.084
HR 18 min 68.96 ± 11.61 62.56 ± 9.81 0.025
HR 23 min 61.37 ± 10.36 61.80 ± 9.49 0.929
HR in LMA time 75.72 ± 13.12 71.6 ± 9.83 0.176
Pre MAP 111.32 ± 14.47 111.11 ± 14.87 0.956
MAP 1 min 88.67 ± 16.50 91.22 ± 20.43 0.598
MAP 3 min 85.30 ± 17.32 88.94 ± 18.56 0.461
MAP 5 min 83.52 ± 16.09 84.48 ± 18.74 0.831
MAP 8 min 83.84 ± 14.78 82.62 ± 15.34 0.755
MAP 13 min 80.11 ± 13.78 76.67 ± 12.81 0.322
MAP 18 min 81.91 ± 14.58 76.61 ± 12.25 0.133
MAP 23 min 84.75 ± 10.60 76.400 ± 9.09 0.091
MAP in LMA time 100.01 ± 11.76 100.48 ± 13.20 0.885
  1. BIS bispectral index, MAP mean arterial pressure, HR heart rate
  2. t test
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