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Table 1 General patient characteristics

From: Respiratory variation in the internal jugular vein does not predict fluid responsiveness in the prone position during adolescent idiopathic scoliosis surgery: a prospective cohort study

Characteristics

Fluid responders (n=36)

Non-responders (n=20)

P value

Age (year)

14 [13–16]

15 [14–16]

0.19

Female, n (%)

24 (67%)

11 (55%)

0.39

Height (cm)

162 ± 11

159 ± 9

0.51

Weight (kg)

56.31 ± 9.81

49.95 ± 8.82

0.52

BMI (kg·m-2)

21.30 ± 2.61

19.68 ± 1.97

0.22

ASA score, I/II (n)

20/16

9/11

0.45

Hct before surgery (%)

35.25 ± 3.52

35.40 ± 4.16

0.86

Tidal volume (ml)

350.00 [350.00-423.75]

347.50 [300.00-375.00]

0.05

Volume administered after echo (ml)

647.85 ± 151.05

564.24 ± 100.99

0.68

Levels operated (n)

9 [7.25-11.00]

8 [6.25-9.75]

0.62

Cobb angle (°)

48.56 ± 4.99

47.10 ± 5.65

0.65

Surgery time (min)

182.08 ± 56.09

186.00 ± 62.88

0.35

Blood loss (ml)

600 [410-775]

700 [425-775]

0.76

  1. Data are presented as the mean ± standard deviation, median [interquartile range], or the number of patients (%)
  2. BMI Body mass index, ASA American Society of Anesthesiologists, Hct Hematocrit