Can Early Rehabilitation after Total Hip Arthroplasty Reduce Its Major Complications and Medical Expenses? Report from a Nationally Representative Cohort

Table 2

The linear regression modeling of total medical expenses within one year among propensity-score matched patients.

	Outcome variables
	Total medical expenses			Total rehabilitation expenses			OPD visits
		SE	value		SE	value		SE	value
Timing of rehabilitation
Delayed RG versus early RG	47853	10301	<0.0001	7253	927	<0.0001	9.57	1.68	<0.0001
Gender; (male versus female)	16782	9055	0.0641	1442	815	0.0771	−3.15	1.48	0.0033
Age group; (<65 versus ≧65)	7134	9520	0.4539	1369	857	0.1106	6.44	1.55	<0.0001
Length of stay	4788	827	<0.0001	53	74	0.4752	0.20	0.14	0.1448
CCI score	18029	4107	<0.0001	472	370	0.2019	3.74	0.67	<0.0001
E code patient	−22563	21223	0.2880	3345	1911	0.0803	0.86	3.46	0.8041
Complications
OA	−19882	11187	0.0758	−1007	1007	0.3177	−0.91	1.83	0.6195
AN	−16269	11243	0.1482	−2228	1012	0.0279	−2.30	1.83	0.2096
HTN	−12337	10699	0.2491	1825	963	0.0585	7.77	1.75	<0.0001
DM	6184	16587	0.7094	1215	1493	0.4159	5.58	2.71	0.0395
PRF	345490	32959	<0.0001	−2364	2967	0.4258	8.15	5.38	0.1299
Constant	22827	14793	0.1231	1873	1332	0.1600	23.90	2.41	<0.0001

Note. RG: rehabilitation group; OPD: outpatient department; CCS: Charlson Comorbidity Scores; PI: prosthetic infection; DVT: deep vein thrombosis; RHA: revision of hip arthroplasty; OA: osteoarthritis; AN: avascular necrosis; HTN: hypertension; DM: diabetes mellitus; PRF: poor renal function.