Table 1.
Descriptive statistics for annual cohorts, stratified by age group (18–64 and 65+).
| Variable |
Season 2011 |
Season 2012 |
Season 2013 |
Season 2014 |
Season 2015 |
Season 2016 |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18–64 | 65+ | 18–64 | 65+ | 18–64 | 65+ | 18–64 | 65+ | 18–64 | 65+ | 18–64 | 65+ | |
| n = 426805 | n = 570260 | n = 416330 | n = 560772 | n = 376169 | n = 514163 | n = 314631 | n = 429303 | n = 223624 | n = 304658 | n = 169544 | n = 212169 | |
| Sex | ||||||||||||
| Male | 48.8% (208302) |
44.7% (254758) |
48.8% (203363) |
44.9% (252044) |
48.9% (184036) |
45.1% (232012) |
49.0% (154302) |
45.3% (194435) |
49.2% (109986) |
45.3% (138107) |
49.2% (83411) |
45.5% (96613) |
| Female | 51.2% (218503) |
55.3% (315502) |
51.2% (212967) |
55.1% (308728) |
51.1% (192133) |
54.9% (282151) |
51.0% (160329) |
54.7% (234868) |
50.8% (113638) |
54.7% (166551) |
50.8% (86133) |
54.5% (115556) |
| Age (mean ± SD) | 43.4 ± 13.3 | 75.2 ± 7.7 | 44.0 ± 13.3 | 75.0 ± 7.8 | 44.0 ± 13.2 | 75.0 ± 7.8 | 44.1 ± 13.2 | 75.1 ± 7.8 | 44.4 ± 13.1 | 75.1 ± 7.7 | 44.5 ± 13 | 75.0 ± 7.6 |
| Ethnicity | ||||||||||||
| Asian | 3.2% (13510) |
1.2% (6953) |
3.4% (14079) |
1.3% (7348) |
3.5% (13273) |
1.4% (7056) |
3.6% (11308) |
1.4% (5821) |
3.6% (8063) |
1.4% (4410) |
4.4% (7543) |
1.9% (4072) |
| Black | 1.8% (7868) |
0.7% (3750) |
2% (8527) |
0.7% (3942) |
2.2% (8208) |
0.7% (3776) |
2.4% (7550) |
0.7% (3120) |
2.3% (5124) |
0.7% (2077) |
2.7% (4550) |
0.8% (1753) |
| Mixed/Other | 19.9% (84750) |
18.9% (107995) |
21.0% (87405) |
19.8% (110923) |
22.3% (83984) |
21.1% (108580) |
23.1% (72640) |
22.5% (96448) |
21.7% (48626) |
21.0% (63995) |
23.3% (39485) |
23.2% (49318) |
| Unknown | 43.5% (185500) |
45.8% (261290) |
41.2% (171733) |
43.6% (244646) |
39.9% (150230) |
43.0% (221037) |
38.9% (122310) |
41.7% (178958) |
38.9% (86992) |
41.2% (125649) |
34.1% (57769) |
36.1% (76628) |
| White | 31.7% (135177) |
33.4% (190272) |
32.3% (134586) |
34.6% (193913) |
32.0% (120474) |
33.8% (173714) |
32.0% (100823) |
33.8% (144956) |
33.5% (74819) |
35.6% (108527) |
35.5% (60197) |
37.9% (80398) |
| PHE Region | ||||||||||||
| London | 13.2% (56270) |
11.0% (62948) |
14.4%(59818) | 11.9%(66549) | 15.5%(58482) | 12.8%(65731) | 14.3%(44969) | 11.5%(49500) | 14.5%(32385) | 12.1%(36943) | 17.3%(29397) | 16.2%(34466) |
| Midlands & East | 25.2% (107737) |
25.0% (142427) |
23.9%(99484) | 23.8%(133222) | 21.7%(81752) | 22.2%(114267) | 22.0%(69215) | 21.7%(93293) | 18.9%(42370) | 18.3%(55754) | 21.8%(36944) | 22.6%(47986) |
| North | 21.4% (91137) |
19.6% (111498) |
21.0%(87633) | 19.4%(108957) | 20.9%(78780) | 19.2%(98827) | 19.2%(60428) | 17.5%(75235) | 19.1%(42603) | 16.9%(51378) | 17.9%(30297) | 16.3%(34533) |
| South | 40.2% (171661) |
44.4% (253387) |
40.7% (169395) |
44.9% (252044) |
41.8% (157155) |
45.8% (235338) |
44.5% (140019) |
49.2% (211275) |
47.5% (106266) |
52.7% (160583) |
43.0% (72906) |
44.9% (95184) |
| At-Risk Conditions | ||||||||||||
| 1 * | 85.9% (366564) |
32.7% (186555) |
85.6% (356472) |
32.7% (183121) |
85.4% (321218) |
32.7% (168263) |
85.0% (267365) |
32.7% (140209) |
84.5% (188953) |
32.6% (99182) |
84.2% (142782) |
32.7% (69341) |
| 2+ | 14.1% (60241) |
18.6% (105812) |
14.4% (59858) |
18.8% (105426) |
14.6% (54951) |
19.1% (97995) |
15.0% (47266) |
19.5% (83740) |
15.5% (34671) |
19.7% (60105) |
15.8% (26762) |
20.0% (42377) |
*
Among 65+ patients, 1 at-risk condition indicates an additional at-risk condition beyond the age-based risk.