Agreement between older adult patient and caregiver proxy symptom reports

Kroenke, Kurt; Stump, Timothy E.; Monahan, Patrick O.

doi:10.1186/s41687-022-00457-8

Journal of Patient-Reported Outcomes

Table 3 Patient-Caregiver Concordance for SymTrak Scale

From: Agreement between older adult patient and caregiver proxy symptom reports

Item #^a	SymTrak Items	Dyads	Item mean (SD)		Spearman Correlation^b	Weighted Kappa^c
Item #^a	SymTrak Items	N	Patients	Caregivers		Quadratic^d	Linear
	Moderate agreement
11	Trouble with hearing	186	0.9 (1.0)	0.8 (1.1)	0.54	0.56	0.39
4	Pain in the back, arms, legs, or joints	187	1.6 (1.1)	1.5 (1.1)	0.54	0.53	0.40
8	Shortness of breath	187	0.8 (0.9)	0.8 (0.9)	0.53	0.53	0.43
12	Trouble walking or trouble moving around	186	1.2 (1.0)	1.3 (1.1)	0.51	0.49	0.39
10	Trouble with vision	187	0.9 (1.0)	0.8 (1.0)	0.40	0.46	0.32
3	Pain interfering with daily activities	187	1.2 (1.1)	1.3 (1.0)	0.44	0.42	0.30
6	Constipation or stomach problems	186	0.7 (0.8)	0.8 (0.8)	0.39	0.41	0.31
9	Chest pain	187	0.3 (0.6)	0.3 (0.6)	0.45	0.41	0.39
	Fair agreement
1	Feeling tired or having low energy	187	1.3 (0.9)	1.4 (0.9)	0.37	0.35	0.27
5	Foot pain or foot numbness	186	1.0 (1.0)	0.8 (1.0)	0.37	0.34	0.26
16	Poor appetite or overeating	187	0.7 (0.8)	0.7 (0.9)	0.34	0.33	0.24
2	Trouble falling asleep or trouble staying asleep	187	1.0 (0.9)	0.9 (0.9)	0.29	0.30	0.21
15	Feeling sad, down, or depressed	187	0.5 (0.7)	0.7 (0.8)	0.35	0.29	0.26
17	Feeling nervous or anxious	187	0.6 (0.7)	0.7 (0.8)	0.22	0.29	0.20
23	Memory loss	187	0.7 (0.7)	0.7 (0.8)	0.27	0.28	0.21
18	Worrying too much about different things	188	0.8 (0.9)	1.0 (1.0)	0.26	0.25	0.20
21	Trouble remembering appointments	187	0.4 (0.6)	0.6 (0.8)	0.21	0.25	0.16
13	Falling or tripping	186	0.3 (0.5)	0.4 (0.6)	0.29	0.24	0.24
	Slight agreement
19	Becoming easily annoyed or irritable	186	0.6 (0.7)	0.8 (0.8)	0.18	0.18	0.14
14	Less interest or less pleasure in doing things	187	0.7 (0.8)	0.8 (0.9)	0.16	0.17	0.08
22	Trouble concentrating on things	187	0.6 (0.7)	0.6 (0.7)	0.13	0.16	0.09
7	Trouble with urination	185	0.5 (0.8)	0.5 (0.8)	0.13	0.07	0.08
20	Trouble taking medications in the right dose at the right time	187	0.3 (0.6)	0.4 (0.6)	0.13	0.07	0.09
	SymTrak scale score^d	188	17.5 (9.5)	18.1 (10.1)	0.49	0.48 (0.38–0.57)

^aItems are ordered in table from highest to lowest quadratic weighted kappa
^bMost Spearman correlations are highly significant (p < .0001) except for items only significant at p < .05 (items 14, 17, 18, 19, 21) or those not significant (items 7, 20, 22)
^cAll weighted kappa values are significant (i.e., 95% CI does not include 0) except for items 7 and 20 (quadratic and linear), as well as items 14 and 22 (linear only)
^dFor SymTrak scale score, the value under the weighted kappa column is the Intraclass Correlation Coefficient (ICC) with 95% CI, calculated using the absolute agreement version of the ICC and specifying rater (patient vs their caregiver) as a fixed effect

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