A comparison of the bilateral decompression via unilateral approach versus conventional approach transforaminal lumbar interbody fusion for the treatment of lumbar degenerative disc disease in the elderly

Table 2 Perioperative Factors and Postoperative Outcomes

Variable	BDUA	Control	P-Value	Significance
Operation time	2.61 ± 0.78	2.85 ± 0.68	0.2132	ns
Intraoperative blood loss	153.9 ± 102.9	251.7 ± 156.1	0.0059	**
Drainage	178.4 ± 86.7	359.8 ± 179.2	< 0.0001	****
Days of hospital stay	10.35 ± 3.49	12.07 ± 3.59	0.0642	ns
Complications cases	3	2	0.94^*	ns
Side of fusion
Both	0	30
Left side	13	0
Right side	18	0

Note: Data shown as number or mean ± standard deviation. P < 0.05, significant difference
*χ² test. Otherwise, independent samples t test

ISSN: 1471-2474