The use of novel knotless barbed sutures in posterior long-segment lumbar surgery: a randomized controlled trial

Table 1 Baseline patient demographics

		Barbed suture (N = 91)	Conventional suture (N = 90)	t/χ²	P
Age		55.85 ± 17.1	52.97 ± 19.92	1.041	0.299
Gender	Male	47	44	2.973	0.85
Gender	Female	35	55
Smoking status		20	12	2.221	0.136
BMI		23.21 ± 3.96	22.20 ± 4.14	1.579	0.116
Diagnosis	Spinal scoliosis	21	29	7.360	0.118
	Lumbar disk herniation	43	39
	Lumbar spinal stenosis	17	13
	Lumbar fracture	5	0
	Lumbar spondylolisthesis	4	6
	Others	1	3

ISSN: 1749-799X