Anesthesiology trainees performing flexible scope intubation in spontaneously breathing patients in the left lateral position and the supine position: a prospective randomized trial

Table 4 Vital sign measurements during flexible scope intubation according to group

Item	Group L (n = 20)	Group S (n = 20)	Statistic	P value
Intubation data (vital signs)
SBP (mm Hg), mean ± SD
Baseline	136.40 ± 25.26	148.35 ± 22.27	-1.587 ^†	0.121
After intubation within 1 min	104.20 ± 25.51	120.60 ± 28.25	-1.927 ^†	0.062
Difference in SBP	-32.20 ± 23.92	-27.75 ± 20.20	-0.636 ^†	0.529
DBP (mm Hg), mean ± SD
Baseline	80.80 ± 12.37	89.10 ± 15.51	-1.871^†	0.069
After intubation within 1 min	66.05 ± 15.93	76.50 ± 18.67	-1.904 ^†	0.064
Difference in DBP	-14.75 ± 12.23	-12.60 ± 19.36	-0.420 ^†	0.677
MAP (mm Hg), mean ± SD
Baseline	94.85 ± 15.04	107.60 ± 15.96	-2.600 ^†	0.013^*
After intubation within 1 min	76.75 ± 16.49	90.35 ± 21.44	-2.249 ^†	0.030^*
Difference in MAP	-18.10 ± 15.65	-17.25 ± 21.19	-0.144 ^†	0.886
HR (beats/min), mean ± SD
Baseline	82.65 ± 11.93	89.05 ± 18.50	-1.300 ^†	0.203
After intubation within 1 min	83.80 ± 14.49	89.20 ± 14.94	-1.160 ^†	0.253
Difference in HR	1.15 ± 8.87	0.15 ± 12.57	0.291 ^†	0.773
SpO₂ (%), mean ± SD
Baseline	99.60 ± 1.10	100.0 ± 2.22	-0.721^†	0.475
After intubation within 1 min	97.80 ± 3.47	98.95 ± 1.88	-1.303 ^†	0.203
Difference in SpO₂	-1.80 ± 3.49	-1.05 ± 2.74	-0.756 ^†	0.454

SD Standard Deviation, SBP Systolic Blood Pressure, DBP Diastolic Blood pressure, MAP Mean Arterial Pressure, HR Heart Rate, SpO₂ Oxygen Saturation
^* P < 0.05, ^๏ Z value, ^† t value, ^‡ χ² value

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