A study on the 10-year trend of surgeries performed for lumbar disc herniation and comparative analysis of prescribed opioid analgesics and hospitalization duration: 2010–2019 HIRA NPS Data

Table 1 Baseline characteristics

Category		Total (n = 7,741)
Category		N	Percentage
Age (years)	20–29	861	11.12
	30–39	1491	19.26
	40–49	1828	23.61
	50–59	1755	22.67
	60–69	1298	16.77
	70–	508	6.56
Gender	Male	4387	56.67
Gender	Female	3354	43.33
Payer type	NHI	7479	96.62
	Medicaid	257	3.32
	Others	5	0.06
Surgery type	OD	6528	84.33
	Laminectomy	748	9.66
	PELD	394	5.09
	Spinal fusion	71	0.92
Surgery medical institution	Tertiary hospital	214	2.76
	General hospital	1180	15.24
	Hospital	6175	79.77
	Clinic	172	2.22
Year of surgery	2010	802	10.36
	2011	747	9.65
	2012	890	11.50
	2013	815	10.53
	2014	794	10.26
	2015	702	9.07
	2016	684	8.84
	2017	733	9.47
	2018	790	10.21
	2019	784	10.13

ISSN: 1471-2474