Table 1.

Baseline characteristics by background mortality group, HIV-CAUSAL Collaboration 2005–2015.

Baseline characteristics		General HIV population			U.S. Veterans
		Included (%)	Initiators of ART during follow-up	Median [IQR] follow-up, months	Included (%)	Initiators of ART during follow-up	Median [IQR] follow-up, months
CD4 count, cells/mm3	<100	798 (12%)	88%	30 [13,54]]	532 (20%)	87%	26 [12,53]
	100 – 200	878 (13%)	89%	33 [15,57]	435 (16%)	87%	27 [14,54]
	200 – 349	1725 (25%)	85%	35 [17,64]	626 (23%)	83%	29 [14,55]
	350 – 499	1534 (22%)	71%	34 [15,62]	495 (19%)	76%	29 [13,60]
	≥500	1992 (29%)	57%	34 [15,62]	584 (22%)	60%	29 [14,57]
HIV-RNA, copies/mL	<10,000	1612 (23%)	58%	35 [15,66]	686 (26%)	63%	38 [11,53]
	10,000 – 100,000	2855 (41%)	75%	33 [15,62]	1266 (47%)	81%	30 [15,58]
	>100,000	2460 (36%)	85%	33 [16,59]	720 (27%)	87%	27 [12,52]
Sex	Male	5493 (79%)	76%	34 [16,63]	2607 (98%)	78%	28 [13,56]
	Female	1434 (21%)	70%	31 [14,58]	65 (2%)	74%	30 [15,50]
Mode of acquisition	Heterosexual	3149 (45%)	73%	32 [15,59]
	Homo/bisexual	2960 (43%)	77%	39 [18,69]
	Injection drug use	161 (2%)	67%	21 [11,45]
	Other/unknown	657 (9%)	70%	26 [11,50]	2672 (100%)	78%	28 [13,56]
Geographical origin	Western Countries	4386 (63%)	76%	36 [16,66]
	Sub-Saharan Africa	415 (6%)	69%	26 [11,51]
	Rest of World	611 (9%)	72%	28 [14,51]
	Unknown country	1515 (22%)	73%	31 [14,60]	2672 (100%) (100%R	74%	28 [13,56]
Calendar year	2005–2009	4212 (61%)	77%	52 [26,79]	1791 (67%)	86%	45 [23,67]
	2010 – 2015	2715 (39%)	71%	19 [11,33]	88 (33%)	80%	15 [9,22]
Age at enrollment, years	50–59	5384 (78%)	74%	34 [15,63]	1964 (73%)	83%	29 [13,58]
	60–70	1543 (22%)	78%	34 [15,59]	708 (27%)	87%	25 [13,48]
HCV co-infection status	No	5201 (75%)	80%	35 [17,63]	1555 (58%)	81%	29 [14,56]
	Yes	891 (13%)	74%	36 [17,72]	1069 (40%)	75%	28 [13,56]
	Unknown	835 (12%)	59%	22 [11,46]	48 (2%)	56%	11 [8,18]
All patients		6927	74%	34 [15,62]	2672	78%	28 [13,56]