Pre- and postoperative physiotherapy using a digital application decreases length of stay without reducing patient outcomes following total knee arthroplasty

Table 1 Patient information and preoperative KOOS and KOOS, JR scores before and after propensity score matching

Table 1	DP Patients	CP Patients	P-value
Before Propensity Score Matching	n = 232	n = 62
Age	68.6 ± 7.5 years	69.9 ± 8.4 years	0.248
Gender	50.4% female	53.2% female	0.698
KOOS ADL (Pre-op)	53.0 ± 18.2	47.0 ± 16.2	0.013*
KOOS Pain (Pre-op)	46.8 ± 17.4	42.7 ± 15.4	0.072
KOOS QOL (Pre-op)	25.0 ± 15.6	25.4 ± 19.6	0.873
KOOS Sports (Pre-op)	22.3 ± 18.2	19.2 ± 17.8	0.291
KOOS Symptoms (Pre-op)	48.8 ± 19.2	44.0 ± 18.8	0.081
KOOS, JR (Pre-op)	48.6 ± 14.2	44.9 ± 13.1	0.054
After Propensity Score Matching	n = 124	n = 62
Age	70.8 ± 6.7 years	69.9 ± 8.4 years	0.45
Gender	49.2% female	53.2% female	0.607
KOOS ADL (Pre-op)	50.6 ± 19.1	47.0 ± 16.2	0.090
KOOS Pain (Pre-op)	45.1 ± 18.4	42.7 ± 15.4	0.197
KOOS QOL (Pre-op)	26.2 ± 16.8	25.4 ± 19.6	0.604
KOOS Sports (Pre-op)	20.1 ± 18.2	19.2 ± 17.8	0.669
KOOS Symptoms (Pre-op)	47.0 ± 19.0	44.0 ± 18.8	0.215
KOOS, JR (Pre-op)	46.8 ± 15.1	44.9 ± 13.1	0.232

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