Table 1.

Demographic and clinical characteristics by cohort

	All n = 165	1995-2000 n = 48	2004-2009 n = 117	P value
Gender (female)	47 (29%)	10 (21%)	37 (32%)	0.163
Age, years	38 (10)	38 (9)	38 (11)	0.810
SIMD†, quntile				0.040
1 (most deprived)	24 (15%)	10 (21%)	14 (13%)
2	22 (14%)	8 (17%)	13 (13%)
3	38 (24%)	13 (27%)	25 (22%)
4	38 (24%)	9 (19%)	29 (26%)
5 (least deprived)	38 (24%)	8 (17%)	30 (27%)
Origin				0.226
UK	108 (66%)	36 (75%)	72 (62%)
sub-Saharan Africa	39 (24%)	9 (19%)	30 (26%)
Other	18 (11%)	3 (6%)	15 (13%)
Area of presumed acquisition				0.026
UK	78 (47%)	30 (63%)	48 (41%)
Europe	10 (6%)	2 (4%)	8 (7%)
sub-Saharan Africa	58 (35%)	14 (29%)	44 (38%)
Asia/SE Asia	19 (12%)	2 (4%)	17 (15%)
UK origin acquired in high-risk area.	26 (16%)	6 (12%)	20 (17%)
Previous (negative) HIV test	51 (31%)	13 (27%)	38 (33%)	0.469
Months since last HIV test (if occurred)	41 (42)	29 (20)	45 (47)	0.090
Clinical staging at first presentation (WHO)				0.010
Primary HIV infection	3 (2%)	0 (0%)	3 (3%)
Stage 1	102 (62%)	23 (48%)	79 (68%)
Stage 2	11 (7%)	5 (10%)	6 (5%)
Stage 3	24 (15%)	9 (18%)	15 (13%)
Stage 4	25 (15%)	11 (23%)	14 (12%)
Clinical staging at diagnosis (WHO)				0.002
Primary infection	2 (1%)	0 (0%)	2 (2%)
Stage 1	84 (51%)	14 (30%)	70 (60%)
Stage 2	12 (7%)	6 (13%)	6 (5%)
Stage 3	29 (18%)	14 (29%)	15 (13%)
Stage 4	38 (23%)	14 (29%)	24 (21%)
Cd4 count at diagnosis (cells/mm3)				0.517
< 200	66 (40%)	21 (44%)	45 (39%)
200-350	28 (17%)	8 (17%)	20 (17%)
> 350	71 (43%)	19 (40%)	52 (44%)

* χ² test of difference in proportion missed, P = 0.02. Otherwise non-significant. ^† Scottish Index of Multiple Deprivation.