Table 1 Comparison of patient characteristics, hemodynamic data, and preoperative inferior vena cava (IVC) ultrasound measurements between patients who did and did not develop hypotension after propofol induction

Variable

Yes

(n = 30)

No

(n = 32)

P Value

Age, year

46.40 ± 14.36

41.78 ± 14.48

0.213

Sex (male/female)

16/14

16/16

0.793

BMI, kg/m²

23.75 ± 3.79

24.00 ± 3.55

0.782

ASA (I/II)

16/14

11/21

0.132

Baseline HR, beats/min

77.63 ± 10.11

73.44 ± 13.39

0.171

Baseline MBP, mmHg

94.70 ± 12.89

92.97 ± 13.98

0.615

Propofol dose, mg/kg

2.58 ± 0.22

2.47 ± 0.28

0.097

IVC-CI (%)

41.02 ± 12.07

32.34 ± 9.39

0.003

dIVC_min, cm

0.87 ± 0.37

0.98 ± 0.33

0.252

dIVC_max, cm

1.45 ± 0.44

1.44 ± 0.45

0.943

History of hypertension (yes/no)

12/18

12/20

0.840