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Table 2 Bivariate correlation between the items in the preliminary Early Detection of Infection Scale (EDIS; twelve statements measuring changes in signs and symptoms and one temperature item

From: Nursing assistants: “He seems to be ill” – a reason for nurses to take action: validation of the Early Detection Scale of Infection (EDIS)

“There is a change in the patient’s…”

Confusion

Aggressiviness

Infirmity/ Apathy

Unrestrained behaviour

Restlessness

Changed appetite

Pain

General signs & symptoms of illness

Expression (of illness) in the eyes

Urinary tract symptoms

Respiratory symptoms

Symptoms of wound infection

Temperature

Confusiona

1.00

0.44*

0.00

0.38*

0.48*

0.02

−0.08

−0.31*

−0.25*

0.22

−0.09

0.36*

−0.18

Aggressivenessa

0.44*

1.00

−0.01

0.62*

0.45*

−0.06

0.07

−0.29*

−0.27*

0.34*

−0.13

0.20

−0.16

Infirmity/ Apathya

0.00

−0.01

1.00

−0.05

−0.01

0.35*

0.11

0.32*

0.51*

0.04

0.17

0.26*

0.12

Unrestrained behaviour a

0.38*

0.62*

−0,05

1.00

0.44*

−0.12

0.10

−0.25*

−0.29*

0.23

−0.32*

0.15

−0.20

Restlessnessa

0.48*

0.45*

−0.01

0.44*

1.00

−0.15

0.10

−0.43*

−0.21

0.27*

−0.14

0.22

−0.29*

Changed apetitea

0.02

−0.06

0.35*

−0.12

−0.15

1.00

0.15

0.22

0.13

−0.12

0.18

0.19

0.04

Paina

−0.08

0.07

0.11

0.10

0.10

0.15

1.00

0.19

−0.08

0.18

−0.05

−0.05

−0.19

General signs & symptoms of illnessa

−0.31*

−0.29*

0.32*

−0.25*

−0.43*

0.22

0.19

1.00

0.19

−0.31*

0.44*

−0.09

0.47*

Expression (of illness) in the eyesa

−0.25*

−0.27*

0–51*

−0.29*

−0.21

0.13

−0.08

0.19

1.00

−0.05

0.18

0.15

0.12

Urinary tract symptomsa

0.22

0.34*

0–04

0.23

0.27*

−0.12

0.18

−0.31*

−0.05

1.00

−0.14

0.24

−0.10

Respiratory symptomsa

−0.09

−0.13

0.17

−0.32*

−0.14

0.18

−0.05

0.44*

0.18

−0.14

1.00

0.04

0.34*

Symptoms of nfectiona

0.36*

0.20

0.26*

0.15

0.22

0.19

−0.05

−0.09

0.15

0.24

0.04

1.00

0.14

Temperature °C

−0.18

−0−16

0.12

−0.20

−0.29*

0–04

−0–19

0.47*

0.12

−0.10

0.34*

0.14

1.00

Number of other statements significantly correlating to respectively statement/temperature

6

6

4

6

6

1

0

8

4

3

3

2

3

  1. *p < 0.05; non-parametric correlation; two-tailed
  2. aResponse alternatives: Completely agree -Partly agree -Do not agree