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Table 1 Baseline and perioperative characteristics

From: Effect of restrictive fluid therapy with hydroxyethyl starch during esophagectomy on postoperative outcomes: a retrospective cohort study

N

Missing

892

Demographic data

 Sex (Male/Female)

0

837 (93.8)/55 (6.2)

 Age (years)

0

63 [57–69]

 Body Mass Index (kg/cm2)

0

23.0 ± 2.9

 ASA class

0

 

 I

 

77 (8.6)

 II

 

795 (89.1)

 III

 

20 (2.2)

Medical history

 Diabetes mellitus

0

134 (15.0)

 Hypertension

0

321 (36.0)

 Current smoker

0

226 (25.3)

 Alcohol

0

783 (87.8)

 Dyslipidemia

0

71 (8.0)

 Ischemic heart disease

0

16 (1.8)

 Congestive heart failure

0

29 (3.3)

 Cerebrovascular disease

0

32 (3.6)

 Peripheral vascular disease

0

23 (2.6)

 Chronic obstructive pulmonary disease

0

20 (2.2)

 Liver disease

0

95 (10.7)

 Atrial fibrillation

0

9 (1.0)

 Concurrent Chemo-Radiation Therapy

0

375 (42.0)

Laboratory data

 Hematocrit (%)

0

38.3 [34.5–41.4]

 Creatinine (mg/dl)

0

0.8 [0.7–0.9]

 Estimated GFR* (ml/min/1.73 m2)

0

93.8 [85.7–101.1]

 Total bilirubin (mg/dl)

0

0.6 [0.4–0.7]

 Albumin (g/dl)

0

3.7 [3.5–4.0]

 Forced vital capacity (% predicted)

31

93 [84.5–101.0]

 Forced expiratory volume in 1 min (% predicted)

31

92 [82.0–101.0]

Medication

 ACEI or ARB

0

150 (16.8)

 Beta-blocker

0

61 (6.8)

 Calcium channel blocker

0

169 (18.9)

 Insulin

0

125 (14.0)

 Oral hypoglycemic agent

0

89 (10.0)

 Statin

0

75 (8.4)

 Aspirin

0

51 (5.7)

 Plavix

0

15 (1.7)

 Diuretics

0

90 (10.1)

Intraoperative data

 Operation time (min)

0

339.6 ± 100.5

 Crystalloid per weight (ml/kg)

0

29.9 ± 17.4

 HES per weight (ml/kg)

0

12.4 ± 8.7

 HES-to-crystalloid ratio

0

0.6 ± 0.5

 Total fluid per weight per hour (ml/kg/h)†

0

6.1 ± 2.2

 Urine output (ml)

0

497.2 ± 417.3

 Packed red blood cell (unit)

0

0.3 ± 0.9

  None

 

792 (88.8)

   ≤ 2 units

 

74 (8.3)

   > 2 units

 

26 (2.9)

 Use of fresh frozen plasma

0

13 (1.5)

 Use of platelet concentrate

0

5 (0.6)

Postoperative data

 Weight gain (%)

0

0.9 [−0.5–2.3]

 Maximal SOFA-c ≥ 2

0

277 (31.1)

 Intensive care unit stay (h)

0

24.0 [21.0–45.0]

 Hospital stay (days)

0

13.0 [11.0–19.0]

  1. Data are expressed as number of patients (%), mean ± standard deviation, or median [interquartile range]
  2. *: Estimated glomerular filtration rate using Chronic Kidney Disease Epidemiology Collaboration equation
  3. † Total fluid: sum of crystalloid and hydroxyethyl starch during the total anesthetic period
  4. ASA = American Society of Anesthesiology; GFR = glomerular filtration rate; ACEI = angiotensin-converting enzyme inhibitor; ARB = angiotensin receptor blocker; HES = hydroxyethyl starch; SOFA-c: cardiovascular sequential organ failure assessment in the first 24 h