What Augmented Physical Activity and Empowerment Can Bring to Patients Receiving Total Knee Replacement: Content, Implementation, and Comparative Effectiveness of a New Function-Tailored Care Pathway in a Routine Care Setting

Table 2

Characteristics and outcomes of patients who had total knee replacement surgery before and after introduction of a function-tailored care pathway.

	Before ()				After ()				Total ()
		Mean/%	Median	95% CI		Mean/%	Median	95% CI		Mean/%	Median	95% CI
Preoperative characteristics
Sex (% men)	127	26.0			108	29.6			235	27.7
Age (years)	127	71.1	72	69.6–72.6	108	70.4	71	68.6–72.2	235	70.8	72	69.7–71.9
BMI (kg/m^2)	127	29.9	29.1	28.9–30.8	108	32.2	29.0	29.5–34.9	235	31.0	29.1	29.6–32.3
ISAR	112^1	1.2	1	1.0–1.5	108	1.1	1	0.8–1.3	220	1.1	1	1.0–1.3
Timed Up and Go test (s)	127	13.1	10.4	11.2–14.9	108	11.9	10.2	10.7–13.2	235	12.5	10.3	11.4–13.7
Outcomes
Time to MILAS ≤6 (days)	96^2	4.5	4	4.3–4.7	90^2	4.1^*	4	4.0–4.3	186	4.3	4	4.2–4.4
Length of stay (days)	127	5.2	5	4.9–5.5	108	4.2^*	4	4.1–4.4	235	4.8	4	4.6–5.0
To rehabilitation clinic (% yes)	40	31.5			27	25.0			67	28.5
Readmission (% yes)	7	5.5			8	7.4			15	6.4

CI: confidence interval; BMI: body mass index; ISAR: Identification of Seniors at Risk; MILAS: Modified Iowa Levels of Assistance Scale. ¹Missing cases due to delayed introduction of ISAR; ²missing cases on MILAS due to referral of not fully recovered patients to inpatient rehabilitation facilities; ^*statistically significant (), after versus before.