No increase in postoperative contacts with the healthcare system following outpatient total hip and knee arthroplasty

Figures & data

Table 1. Demographics, numbers, and statistical significance

Factor	DDOS	Not DDOS	p-value
THA patients, n	45	90
Male, n	33	48	0.03 ^a
Mean age (SD)	60 (12)	63 (12)	0.2 ^b
Mean blood loss, L (SD)	0.31 (0.13)	0.41 (0.28)	0.02 ^b
TKA patients, n	48	78
Male, n	20	32	0.9 ^a
Mean age (SD)	60 (11)	60 (11)	0.9 ^b
Mean blood loss, L (SD)	0.23 (0.10)	0.22 (0.15)	0.8 ^b

DDOS = discharge on the day of surgery.

^a Pearson’s chi-square test.

^b Independent samples t-test.

Table 2. Readmissions and contacts with the healthcare system. Values are count

Factor	DDOS	Not DDOS	p-value ^a
THA patients, n	45	90
Readmissions within 3 months	5	15	0.4
Physical turnouts to discharging
department within 3 weeks	6	9	0.6
Contact within 3 weeks with
discharging department by telephone	0	17	0.002
other departments	1	5	0.4
general practitioner	5	15	0.4
TKA patients, n	48	78
Readmissions within 3 months	5	17	0.1
Physical turnouts to discharging
department within 3 weeks	17	17	0.1
Contact within 3 weeks with
discharging department by telephone	14	9	0.01
other departments	5	13	0.3
general practitioner	19	25	0.4

DDOS = discharge on the day of surgery.

^a Pearson’s chi-square test