Table 1

TB cases notified in 2011 and 2015 by country of birth/WHO incidence group and time since arrival in UK, person-year denominators (N) and TB rates per 100 000 person-years

Country/WHO incidence group(per 100 000 pop)	Time since arrival	2011			2015				2015 vs 2011
Country/WHO incidence group(per 100 000 pop)	Time since arrival	TB	N (1000s)	Rate per 100 000	TB	N (1000s)	Rate per 100 000	Diff TB (% change)	IRR	P value	Ratio N
<40	<2 years	16	183.5	8.7	14	179.7	7.8	−2 (−13%)	0.89 (0.44 to 1.83)	0.758	0.98
	2–5 years	23	299.3	7.7	17	222.3	7.6	−6 (−26%)	1.00 (0.53 to 1.86)	0.989	0.74
	>5 years	129	774.0	16.7	113	898.4	12.6	−16 (−12%)	0.75 (0.59 to 0.97)	0.029	1.16
40–150	<2 years	89	174.1	51.1	105	203.0	51.7	16 (18%)	1.01 (0.76 to 1.34)	0.933	1.17
	2–5 years	145	233.3	62.1	83	223.3	37.2	−62 (−43%)	0.60 (0.46 to 0.78)	<0.001	0.96
	>5 years	261	450.8	57.9	190	495.9	38.3	−71 (−27%)	0.66 (0.55 to 0.80)	<0.001	1.10
151–250	<2 years	109	39.4	276.8	32	27.0	118.4	−77 (−71%)	0.43 (0.29 to 0.63)	<0.001	0.69
	2–5 years	205	96.4	212.6	89	60.1	148.0	−116 (−57%)	0.70 (0.54 to 0.89)	0.004	0.62
	>5 years	231	206.9	111.7	234	333.5	70.2	3 (1%)	0.63 (0.52 to 0.75)	<0.001	1.61
>250	<2 years	138	71.5	193.0	91	57.0	159.8	−47 (−34%)	0.83 (0.64 to 1.08)	0.162	0.80
	2–5 years	201	164.6	122.1	107	91.4	117.0	−94 (−47%)	0.96 (0.76 to 1.21)	0.723	0.56
	>5 years	621	815.7	76.1	492	897.6	54.8	−129 (−21%)	0.72 (0.64 to 0.81)	0.000	1.10
India	<2 years	297	134.9	220.2	112	97.0	115.5	−185 (−62%)	0.52 (0.42 to 0.65)	<0.001	0.72
	2–5 years	633	210.9	300.2	291	108.9	267.3	−342 (−54%)	0.89 (0.78 to 1.02)	0.101	0.52
	>5 years	937	407.2	230.1	700	589.1	118.8	−237 (−25%)	0.52 (0.47 to 0.57)	<0.001	1.45
Pakistan	<2 years	167	60.3	277.0	43	23.1	185.9	−124 (−74%)	0.67 (0.48 to 0.94)	0.020	0.38
	2–5 years	229	79.2	289.0	161	65.8	244.8	−68 (−30%)	0.85 (0.69 to 1.04)	0.107	0.83
	>5 years	730	330.5	220.9	485	414.1	117.1	−245 (−34%)	0.53 (0.47 to 0.59)	<0.001	1.25
Bangladesh	<2 years	31	16.9	184.0	13	7.3	176.9	−18 (−58%)	0.96 (0.50 to 1.84)	0.906	0.44
	2–5 years	90	35.7	252.2	38	17.2	220.9	−52 (−58%)	0.88 (0.60 to 1.28)	0.493	0.48
	>5 years	170	188.5	90.2	166	192.4	86.3	−4 (−2%)	0.96 (0.77 to 1.18)	0.682	1.02
Somalia	<2 years	49	3.7	1331.6	13	1.5	887.7	−36 (−73%)	0.67 (0.36 to 1.23)	0.194	0.40
	2–5 years	92	15.9	578.7	39	8.6	452.5	−53 (−58%)	0.78 (0.54 to 1.14)	0.198	0.54
	>5 years	287	88.4	324.6	133	103.9	128.0	−154 (−54%)	0.39 (0.32 to 0.48)	<0.001	1.18
Non-EU total	<2 years	896	684.2	131.0	423	595.6	71.0	−473 (−53%)	0.54 (0.48 to 0.61)	<0.001	0.87
	2–5 years	1618	1135.4	142.5	825	797.6	103.4	−793 (−49%)	0.73 (0.67 to 0.79)	<0.001	0.70
	>5 years	3366	3262.0	103.2	2513	3925.0	64.0	−853 (−25%)	0.62 (0.59 to 0.65)	<0.001	1.20
	All	5880	5081.7	115.7	3761	5318.2	70.7	−2119 (−36%)	0.61 (0.59 to 0.64)	<0.001	1.05
EU<40	All	209	2292.0	9.1	273	2737.0	10.0	64 (31%)	1.09 (0.91 to 1.31)	0.329	1.19
EU 40–150	All	99	290.0	34.1	196	465.0	42.2	97 (98%)	1.23 (0.97 to 1.57)	0.087	1.60
EU total	All	308	2582.0	11.9	469	3202.0	14.6	161 (52%)	1.23 (1.06 to 1.42)	0.005	1.24
UK	N/A	2221	54 787.0	4.1	1751	55 642.0	3.1	−470 (−21%)	0.78 (0.73 to 0.83)	<0.001	1.02
Total		8409	62 450.7	13.5	5981	64 162.2	9.3	−2428 (−29%)	0.69 (0.67 to 0.72)	<0.001	1.03

Comparisons in terms of absolute difference (Diff TB), incidence rate ratios (IRR) and ratios of denominators (N).