Table 1 Delirium Observation Screening scale [34, 35]

1

Dozes during conversation or activities

0 points

1 point

2

Is easily distracted by stimuli from the environment

0 points

1 point

3

Maintains attention to conversation or action

1 point

0 points

4

Does not finish questions or answers

0 points

1 point

5

Gives answers which do not fit the question

0 points

1 point

6

Reacts slowly to instructions

0 points

1 point

7

Thinks to be somewhere else

0 points

1 point

8

Knows which part of the day it is

1 point

0 points

9

Remembers recent events

1 point

0 points

10

Is picking, disorderly, restless

0 points

1 point

11

Pulls IV tubes, feeding tubes, catheters etc.

0 points

1 point

12

Gets easily or suddenly emotional (frightened, angry, irritated)

0 points

1 point

13

Sees persons/things as somebody/something else

0 points

1 point