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Table 2 Comparison of perioperative MAP and SpO2 between the two groups

From: The propofol-sparing effect of intravenous lidocaine in elderly patients undergoing colonoscopy: a randomized, double-blinded, controlled study

Timelines NS + P group (n = 40) L + P group (n = 39)
MAP (mmHg) SpO2 (%) MAP (mmHg) SpO2 (%)
Baseline 100.5 ± 15.3 98.8 ± 1.5 98.5 ± 13.9 98.7 ± 1.6
Immediately after induction 82.3 ± 14.0* 99.0 ± 1.7 82.5 ± 14.7* 98.5 ± 1.3
3 min after induction 76.4 ± 14.4* 98.7 ± 1.7 77.1 ± 13.2* 98.0 ± 2.0
5 min after induction 77.2 ± 13.1* 98.6 ± 1.8 77.1 ± 14.0* 98.1 ± 2.0
10 min after induction 75.5 ± 12.4* 98.5 ± 1.6 78.8 ± 12.7* 97.8 ± 2.0
15 min after induction 79.9 ± 9.0* 98.3 ± 1.2 74.6 ± 12.9* 97.9 ± 1.5
20 min after induction 82.7 ± 5.0* 98.5 ± 2.1 69.8 ± 16.9* 98.0 ± 0.8
Endoscopy finished 73.0 ± 11.9* 98.9 ± 1.3 75.2 ± 11.9* 98.4 ± 1.4
Fully awake in recovery room 74.3 ± 13.9* 98.2 ± 1.8 79.4 ± 13.3* 97.4 ± 2.1
  1. Compared with baseline, *P < 0.005