Table 5.

Characteristics of TS patients who underwent surgery

Characteristic	Total (n=150)	IR	95% CI	p-value	Fusion (n=87)	IR	95% CI	p-value	Decompression (n=63)	IR	95% CI	p-value
Gender
Male	77 (51.1)	0.40	0.003–0.005	0.65	44 (50.0)	0.23	0.001–0.003	0.23	33 (52.6)	0.17	0.001–0.003	0.27
Female	73 (48.9)	0.37	0.002–0.005		44 (50.0)	0.22	0.001–0.003		30 (47.4)	0.15	0.001–0.002
Age of diagnosis (years)
20–29	6 (4.1)	0.09	0.0001–0.0020	<0.0001*	6 (7.1)	0.09	0.0001–0.0020	0.33	0 (0.0)	0.00	–	0.38
30–39	14 (9.2)	0.17	0.0010–0.0029		9 (10.5)	0.11	0.0009–0.0021		5 (7.4)	0.06	0.0001–0.0015
40–49	24 (15.9)	0.28	0.0019–0.0042		11 (12.8)	0.13	0.0001–0.0023		13 (20.1)	0.15	0.0001–0.0026
50–59	29 (19.5)	0.42	0.0030–0.0060		19 (21.4)	0.27	0.0017–0.0043		11 (16.7)	0.15	0.0001–0.0028
60–69	48 (31.8)	1.07	0.0081–0.0142		27 (30.5)	0.59	0.0041–0.0088		21 (33.7)	0.48	0.0031–0.0072
70–79	26 (17.6)	0.99	0.0067–0.0144		15 (16.7)	0.55	0.0034–0.0094		12 (18.9)	0.45	0.0026–0.0079
Over 80	3 (1.9)	0.27	0.0001–0.0086		1 (1.0)	0.08	0.0001–0.007		2 (3.2)	0.19	0.0001–0.0074
Diagnosis year
2007	106 (70.9)	0.29	0.0024–0.0035	0.04*	59 (68.1)	0.16	0.0012–0.0021	0.93	47 (74.7)	0.13	0.0001–0.002	0.29
2016	44 (29.1)	0.11	0.0001–0.0014		28 (31.9)	0.07	0.0001–0.001		16 (25.3)	0.04	0.0001–0.0006
CCI
0–2	70 (46.9)	0.18	0.0014–0.0023	0.01*	35 (40.3)	0.09	0.0001–0.0013	0.34	35 (56.1)	0.09	0.0001–0.0013	0.40
3–5	37 (25.0)	0.10	0.0001–0.0013		22 (25.4)	0.06	0.0001–0.0015		15 (24.4)	0.04	0.0001–0.0005
6–7	16 (10.7)	0.04	0.0001–0.0006		13 (14.9)	0.03	0.0001–0.0004		3 (4.9)	0.01	0.0000–0.0002
Over 8	26 (17.4)	0.07	0.0001–0.010		17 (19.4)	0.04	0.0001–0.0005		9 (14.6)	0.02	0.0001–0.0003

Values are presented as number (%). Incidence rate was calculated as annual incidence rate per 100000 persons. *Indicates statistical significance. TS : tuberculous spondylitis, IR : incidence rate, CI : confidence interval, CCI : Charlson comorbidities index