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

“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

*p < 0.05; non-parametric correlation; two-tailed

^aResponse alternatives: Completely agree -Partly agree -Do not agree