Enhanced Recovery after Surgery Protocol Accelerates Recovery of Lumbar Disc Herniation among Elderly Patients Undergoing Discectomy via Promoting Gastrointestinal Function

Table 1

Patient demographics.

Patient demographics	ERAS	Non-ERAS
Sample size	84	95
Age (years)	71.31 ± 9.17	71.63 ± 9.01	0.50
Male/female	46/38	51/44	1
Body mass index	24.17 ± 2.96	24.75 ± 3.67	0.86
Smoker	6	7	1
Comorbidities
Hypertension	53	49	0.13
Heart disease	17	15	0.56
Chronic lung disease	1	2	1
Diabetes	16	13	0.42
Osteoporosis	11	9	0.48
Gastrointestinal	6	7	1
Psychological symptoms	1	0	0.47
Preoperative JOA	7.30 ± 3.07	6.99 ± 2.97	0.49
Preoperative ODI, %	60.88 ± 8.31	61.63 ± 9.27	0.57
Preoperative VAS (back)	6.48 ± 1.21	6.75 ± 1.01	0.11
Preoperative VAS (leg)	6.19 ± 1.76	6.34 ± 1.88	0.58
ASA grade
I	11	11
II	60	60
III	13	13
IV	0	0
No. of fusion levels
1	62	67	0.74
2	22	28	0.74
Operative time (min)	163.88 ± 49.23	168.43 ± 51.62	0.55
Intraoperative blood loss (ml)	283.63 ± 169.64	243.63 ± 188.64	0.14