Multitrack and multianchor point screw technique combined with the Wiltse approach for lesion debridement for lumbar tuberculosis

Table 1 Baseline information and variables of patients

Case No.	Sex (M/F)	Age (year)	Bone fusion time (mo)	Operation		Follow-up (mo)	CRP (mg/L)		ESR (mm/h)
				Time (min)	Blood loss (mL)		Preop	Final	Preop	Final
1	M	47	6	211	600	13	103.9	1.0	102	2
2	M	47	12	201	400	24	94.2	3.8	90	4
3	M	72	8	120	200	13	78.5	4.7	34	3.1
4	F	68	6	140	400	11	69	4.2	34.8	4
5	F	50	10	120	300	15	48.9	2.0	51	9
6	F	55	12	110	300	19	99	1.3	65	2.6
7	M	65	9	140	600	24	70	4.8	49	12
8	F	69	6	200	600	18	84	3.3	34	2
9	F	47	8	130	500	16	80	2.4	48	7
10	F	64	12	120	300	20	61	0.5	100	9
11	F	77	6	140	200	24	73	2.0	68	3
12	F	64	8	130	400	16	84	2.6	59	13
13	M	57	12	200	600	24	85	7	59	1.7
mean ± SD	-	60.15 ± 10.31	8.85 ± 2.51	150.92 ± 37.32	415.39 ± 151.91	18.23 ± 4.69	79.27 ± 15.23	3.05 ± 1.82a	61.06 ± 23.58	5.57 ± 3.70a

^aP < 0.001. CRP: C-reactive protein; ESR: Erythrocyte sedimentation rate.

Table 2 Comparison between pre- and postoperative variables (mean ± SD)

Time	VAS	ODI (%)	ASIA
			A	B	C	D	E
Preoperation	7.54 ± 0.97	80.31 ± 3.35	0	0	2	8	3
3 mo postoperation	2.23 ± 0.73a	29.08 ± 1.94a	0	0	1	1	11
Final follow-up	0.54 ± 0.66a,d	19.54 ± 2.18a,d	0	0	0	1	12

^aP < 0.05 vs preoperation.

^dP < 0.05 vs 3 mo after operation.

VAS: Visual analogue scale; ODI: Oswestry Disability Index; ASIA: American Spinal Injury Association Classification of Spine Injury.