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 1 Descriptive data and disease characteristics of patients

Variable	BDUA	Control	P-Value	Significance
Sex			0.3004^*	ns
Male	16	20
Female	15	10
Age	72.26 ± 3.43	71.33 ± 3.41	0.2956	ns
65–70	6	10
70–75	14	14
over 75	11	6
BMI	24.85 ± 2.93	24.87 ± 2.10	0.9875	ns
High blood pressure	11	6	0.2546^*	ns
diabetes	4	5	0.7315^*	ns
Segment of herniated disc			0.8068^*	ns
L3/4	1	2
L4/5	24	23
L5/S1	6	5

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

ISSN: 1471-2474