Table 2 Differences between two groups during bronchoscopic examination

Median number of propofol dosage adjustment

6 [5-7]

3 [2-3.8]

<0.001

Time to the first adjustment of the propofol dosage (second)

137 [117.5-200.5]

466 [376.5-553.5]

<0.001

Propofol dosage during examination (μg⋅kg^-1⋅min^-1)

43.5 [28.5-49.3]

24.2 [15.5-32.4]

0.025

Fentanyl dosage during examination (μg⋅kg^-1⋅hr^-1)

2.5 [1.8-3.1]

2.7 [1.9-3.4]

0.679

Percentage of propofol dosage change compared with the baseline dose (%)

93.5 [48.4-172.3]

39.5 [30.4-53.9]

0.011

Percentage of time at sedation target (%)

51.3 [47.0-63.5]

15.4 [9.5-23.5]

<0.001

Percentage of AAI levels greater than 40 during examination (%)

35.3 [27.1-51.5]

84.5 [76.5-90.4]

0.033

Patients with significant hypotension (MAP less than 60 mmHg) (%)

2 (10.5)

0 (0)

0.154

Duration of FB examination (min)

29 [27-32]

30 [28-32]

0.860

EMG (dB)

18 [16-23.5]

20 [17-25]

0.751