Table 2.

Characteristics of PS and TS group in year 2007 and 2016

Characteristic	Total (n=9655)	IR	95% CI	p-value	PS (n=7305)	IR	95% CI	p-value	TS (n=2350)	IR	95% CI	p-value
Gender
Male	4427 (45.9)	22.99	0.228–0.231	<0.0001*	3455 (47.3)	17.94	0.178–0.180	<0.0001*	972 (41.4)	5.05	0.0504–0.0506	<0.0001*
Female	5228 (54.1)	28.04	0.264–0.267		3850 (52.7)	19.53	0.194–0.196		1378 (58.6)	6.99	0.0697–0.0701
Age of diagnosis (years)
20–29	378 (3.9)	5.36	0.0534–0.0538	<0.0001*	261 (3.6)	3.70	0.0369–0.0371	<0.0001*	117 (4.2)	1.66	0.0163–0.0169	<0.0001*
30–39	745 (7.7)	9.17	0.0913–0.921		537 (7.3)	6.61	0.0658–0.0664		208 (7.5)	2.56	0.0254–0.0258
40–49	1503 (15.6)	17.46	0.174–0.175		1214 (16.6)	14.10	0.141–0.1415		289 (10.5)	3.36	0.0333–0.0338
50–59	2094 (21.7)	30.02	0.299–0.301		1647 (22.5)	23.61	0.235–0.237		447 (16.2)	6.41	0.063–0.064
60–69	2819 (29.2)	63.06	0.629–0.632		2157 (29.5)	48.25	0.481–0.484		662 (24.0)	14.81	0.148–0.149
70–79	1798 (18.6)	67.61	0.674–0.678		1280 (17.5)	48.13	0.480–0.483		518 (18.7)	19.48	0.194–0.196
80–89	298 (3.1)	31.15	0.309–0.314		196 (2.7)	20.49	0.203–0.207		102 (3.7)	10.66	0.105–0.108
Over 90	20 (0.2)	16.57	0.162–0.170		13 (0.2)	10.77	0.104–0.111		7 (0.3)	5.80	0.055–0.061
Diagnosis year
2007	4187 (43.6)	11.32	0.113–0.114	<0.0001*	2431 (33.3)	6.57	0.065–0.066	<0.0001*	1756 (74.7)	4.75	0.0473–0.0476	<0.0001*
2016	5468 (56.4)	13.35	0.133–0.134		4874 (66.7)	11.90	0.118–0.119		594 (25.3)	1.45	0.0144–0.0146

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