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Table 1 Baseline characteristics of the patients according to randomization groups

From: Agreement of measured and calculated serum osmolality during the infusion of mannitol or hypertonic saline in patients after craniotomy: a prospective, double-blinded, randomised controlled trial

Characteristics

M group (n = 18)

HS group (n = 17)

Age, years

44 ± 14

46 ± 10

Male

9 (50.0 %)

9 (52.9 %)

Body mass index

23.3 ± 4.7

24.5 ± 2.5

Operation time, h

5.1 ± 1.3

4.0 ± 1.0

Use of mannitol before the study

  

 Incidence

4 (22 %)

5 (29 %)

 Time of use before the study, h

10.3 ± 3.3

12.6 ± 3.3

Serum biochemistry

  

 Sodium, mmol/L

137 ± 2

138 ± 3

 Potassium, mmol/L

3.5 ± 0.3

3.5 ± 0.4

 Glucose, mmol/L

6.66 ± 1.80

6.83 ± 1.64

 Triglyceride, mmol/L

1.57 ± 0.27

1.64 ± 0.21

Cholesterase, mmol/L

4.21 ± 0.75

4.32 ± 1.02

Albumin, g/L

37.6 ± 3.4

36.8 ± 4.5

 Globulins, g/L

24.8 ± 3.9

23.7 ± 3.2

 Total protein, g/L

62.4 ± 6.6

60.5 ± 7.1

 Blood urea nitrogen, mmol/L

3.9 ± 1.8

4.0 ± 1.2

APACHE II

15 ± 2

14 ± 3

Reason for use of hyperosmolar agents

  

 Treatment

5 (28 %)

5 (29 %)

 Prevention

13 (72 %)

12 (71 %)

  1. Data are presented as mean ± SD or number (%). APACHE II: Acute Physiology and Chronic Health Evaluation II score