Psychological factors outmatched morphological markers in predicting limitations in activities of daily living and participation in patients with lumbar stenosis

Table 3 Patient Reported Outcomes

Patient Reported Outcomes	Assessed construct	Possible score-range	M (SD)	Median	Range
Predictor variables
DESC	Depression	0–40	10.9 (8.6)	9	0–35
TSK	Fear of movement:
TSK_SF	Somatic focus	5–20	10.5 (3.3)	10.5	5–19
TSK_AA	Activity avoidance	6–24	14.4 (4.1)	14	6–23
Dependent variables
PI-G	Pain interference:
PI-G_mental	Mental	0–52	26.7 (10.6)	27	0–46
PI-G_functional	ADL	0–44	30.4 (11.1)	33	0–44
PI-G_physical	Mobility	0–16	10.9 (4)	12	0–16
RehaCAT	Activities of Daily Living:
RehaCAT_LE	Lower extremity function	0–128	58.2 (29.8)	58.5	7–124
RehaCAT_UE	Upper extremity function	0–148	26.5 (29.2)	16	0–122
RehaCAT_ADL	ADL (UE & LE)	0–124	69 (27.6)	73	8–123
AAPI_P^a	Participation	60–0	44 (12.2)	47	60–10

DESC Rasch-based depression screening, TSK Tampa Scale for Kinesiophobia, SF Somatic focus, AA Activity avoidance, PI-G Pain Interference – German, LE Lower extremity, UE Upper extremity, ADL Activities of daily living, AAPI_P Aachener Activity- and Participation Index, sub-scale participation; ^a AAPI only scale in which higher scores indicate better functioning

ISSN: 1471-2474