Increased risk of deep neck infection among HIV-infected patients in the era of highly active antiretroviral therapy—a population-based follow-up study

Table 2 Risk of infection and soft tissue abscess for HIV patients and controls

Characteristics	HIV				Controls				IRR (95 % CI)	P
	N	infection	PY#	Rate*	N	infection	PY#	Rate*
All	9888	222	38937.96	57.01	49440	735	206793.00	35.54	1.60 (1.38-1.86)	<0.0001
Age
0 ~ 30	3870	92	16050.86	57.32	19329	277	82632.95	33.52	1.71 (1.35-2.16)	<0.0001
30 ~ 40	3695	71	14457.23	49.11	18505	251	76485.96	32.82	1.50 (1.15-1.95)	0.0027
γ 40	2323	59	8429.87	69.99	11606	207	47674.09	43.42	1.61 (1.21-2.15)	0.0012
Gender
Male	8799	194	34755.23	55.82	43995	650	184421.29	35.25	1.58 (1.35-1.86)	<0.0001
Female	1089	28	4182.73	66.94	5445	85	22371.71	37.99	1.76 (1.15-2.71)	0.0093
Follow-up years
<1	9888	71	9519.69	74.58	49440	179	49317.37	36.30	2.05 (1.56-2.70)	<0.0001
1-2	9422	54	9351.26	57.75	49198	167	49088.12	34.02	1.70 (1.25-2.31)	0.0007
2-3	9296	44	8309.14	52.95	48972	159	43951.53	36.18	1.46 (1.05-2.04)	0.0253
≧3	7231	53	11757.88	45.08	38481	230	64435.98	35.69	1.26 (0.94-1.70)	0.1255

ISSN: 1471-2334