Effect of enhanced recovery after surgery with multidisciplinary collaboration on nursing outcomes after total knee arthroplasty

Table 1 Demographic and clinical characteristics of the two groups

Indicator	ERAS group (n = 40)	Conventional group (n = 40)	P value
Age (yr)	64.3 ± 7.8	65.1 ± 8.2	0.58
Sex (male/female)	16/24	18/22	0.67
Body mass index (kg/m2)	26.5 ± 3.2	27.1 ± 3.6	0.42
ASA physical status (I/II/III)	12/24/4	10/26/4	0.77
Preoperative HSS knee score	54.8 ± 6.7	55.2 ± 7.1	0.79

ERAS: Enhanced recovery after surgery; ASA: American Society of Anesthesiologists; HSS: Hospital for Special Surgery.

Table 2 Nursing outcomes of the two groups

Indicator	ERAS group (n = 40)	Conventional group (n = 40)	P value
Length of hospital stay (d)	5 (4-6)	7 (6-8)	< 0.01
Hospitalization cost (USD)	12345 ± 1234	14567 ± 1456	< 0.01
Intraoperative blood loss (ml)	150 ± 50	250 ± 75	< 0.01
Hemoglobin level 24 h after surgery (g/L)	120 ± 10	110 ± 15	< 0.01
VAS score for pain 24 h after surgery	3 ± 1	5 ± 2	< 0.01
VAS score for pain 48 h after surgery	2 ± 1	4 ± 2	< 0.01
VAS score for pain 72 h after surgery	1 ± 1	3 ± 2	< 0.01
ROM of the knee joint 24 h after surgery (°)	60 ± 10	40 ± 15	< 0.01
ROM of the knee joint 48 h after surgery (°)	80 ± 10	60 ± 15	< 0.01
ROM of the knee joint 72 h after surgery (°)	90 ± 10	70 ± 15	< 0.01
HSS knee score at discharge	90 ± 5	85 ± 5	< 0.01
Postoperative complications (yes/no)	2/38	3/37	0.64

ERAS: Enhanced recovery after surgery; VAS: Visual analog scale; ROM: Range of motion; HSS: Hospital for Special Surgery.