Table 2: Comparison between the two studied groups according to serum copeptin level and percentage of change in serum copeptin level.

Copeptin

Total (n = 106)

Died (n = 24)

Survival (n = 82)

p

Admission level

 

 

 

 

Mean ± SD.

27 ± 8.2

32.9 ± 14.5

25.2 ± 3.5

<0.001*

Median (Min. - Max.)

25.3 (15 - 80.1)

27.9 (24 - 80.1)

24.6 (15 - 42)

72 h level

 

 

 

 

Mean ± SD.

30.5 ± 12.3

44.1 ± 18.7

26.5 ± 5

<0.001*

Median (Min. - Max.)

26 (17 - 110)

38 (27.4 - 110)

25 (17 - 36)

Increase

 

 

 

 

Mean ± SD.

3.5 ± 8.5

11.2 ± 10.8

1.2 ± 6.1

<0.001*

Median (Min. - Max.)

0.6 (-21 - 34.4)

10.1 (-7 - 34.4)

0.1 (-21 - 12)

% of Increase

 

 

 

 

Mean ± SD.

13.6 ± 30.2

38.1 ± 38.6

6.5 ± 23.1

<0.001*

Median (Min. - Max.)

2.4 (-50 - 134.4)

36 (-18.4 - 134.4)

0.4 (-50 - 50)

SD: Standard deviation

p: p value for comparing between the two studied groups.

*: Statistically significant at p ≤ 0.05.