Table 1 Cohort sociodemographic and rates (95%CI) of A&E attendance and emergency admissions
| Â | All infants | A&E attendances of infants | Emergency admissions of infants | |||
|---|---|---|---|---|---|---|
| Â | n | % | Count (%) | Rate per 1000 infant-years(95%CI) | Count (%) | Rate per 1000 infant-years(95%CI) |
Total | 3,665,414 | 100 | 2,241,892 (100) | 720.1 (719.2 to 721.1) | 1,051,619 (100) | 337.8 (337.1 to 338.4) |
Year | Year of birth | Year of A&E attendance a | Year of emergency admission b | |||
 2012/13 | 561,558 | 15 |  |  |  |  |
 2013/14 | 532,303 | 15 | 343,220 (15.3) | 634.1 (632 to 636.2) | 168,690 (16.0) | 311.7 (310.2 to 313.2) |
 2014/15 | 523,287 | 14 | 333,812 (14.9) | 639.4 (637.2 to 641.6) | 166,616 (15.8) | 319.1 (317.6 to 320.7) |
 2015/16 | 526,828 | 14 | 367,478 (16.4) | 706.6 (704.3 to 708.9) | 174,781 (16.6) | 336.1 (334.5 to 337.6) |
 2016/17 | 517,687 | 14 | 394,000 (17.6) | 762.0 (759.6 to 764.4) | 182,495 (17.4) | 352.9 (351.3 to 354.6) |
 2017/18 | 522,047 | 14 | 395,102 (17.6) | 768.0 (765.6 to 770.4) | 176,731 (16.8) | 343.5 (341.9 to 345.1) |
 2018/19 | 481,704 | 13 | 408,280 (18.2) | 819.3 (816.8 to 821.8) | 182,306 (17.3) | 365.8 (364.2 to 367.5) |
Month of birth | Â | |||||
 January | 301,035 | 8 | 183,634 (8.2) | 713.5 (710.3 to 716.8) | 84,619 (8.0) | 328.8 (326.6 to 331) |
 February | 270,279 | 7 | 164,126 (7.3) | 707.3 (703.9 to 710.7) | 75,879 (7.2) | 327.0 (324.7 to 329.3) |
 March | 286,214 | 8 | 174,659 (7.8) | 704.4 (701.1 to 707.7) | 81,002 (7.7) | 326.7 (324.4 to 328.9) |
 April | 299,542 | 8 | 180,024 (8.0) | 715.5 (712.2 to 718.8) | 83,205 (7.9) | 330.7 (328.4 to 332.9) |
 May | 316,786 | 9 | 191,011 (8.5) | 718.6 (715.4 to 721.9) | 88,419 (8.4) | 332.7 (330.5 to 334.9) |
 June | 308,684 | 8 | 188,949 (8.4) | 725.7 (722.4 to 729) | 87,813 (8.4) | 337.3 (335 to 339.5) |
 July | 323,267 | 9 | 198,965 (8.9) | 726.8 (723.6 to 730) | 93,189 (8.9) | 340.4 (338.2 to 342.6) |
 August | 318,448 | 9 | 195,863 (8.7) | 727.5 (724.3 to 730.7) | 91,883 (8.7) | 341.3 (339.1 to 343.5) |
 September | 321,338 | 9 | 197,154 (8.8) | 723.6 (720.4 to 726.8) | 95,187 (9.1) | 349.4 (347.1 to 351.6) |
 October | 319,677 | 9 | 197,791 (8.8) | 728.5 (725.3 to 731.7) | 97,303 (9.3) | 358.4 (356.1 to 360.6) |
 November | 301,002 | 8 | 186,145 (8.3) | 727.1 (723.8 to 730.4) | 88,768 (8.4) | 346.7 (344.5 to 349) |
 December | 299,142 | 8 | 183,571 (8.2) | 719.5 (716.2 to 722.8) | 84,352 (8.0) | 330.6 (328.4 to 332.9) |
Sex | Â | |||||
 Male | 1,881,844 | 51 | 1,250,909 (55.8) | 783.2 (781.8 to 784.6) | 601,658 (57.2) | 376.7 (375.8 to 377.7) |
 Female | 1,783,570 | 49 | 990,983 (44.2) | 653.6 (652.4 to 654.9) | 449,961 (42.8) | 296.8 (295.9 to 297.7) |
Gestation at birth | Â | Â | Â | Â | Â | Â |
 37 + Term | 3,457,537 | 94 | 2,039,640 (91.0) | 693.2 (692.3 to 694.2) | 929,728 (88.4) | 316.0 (315.4 to 316.6) |
 34–36:Near Term | 26,286 | 1 | 36,590 (1.6) | 1926.3 (1906.6 to 1946.1) | 25,803 (2.5) | 1358.4 (1341.9 to 1375.1) |
 32–33:Moderate prematurity | 23,959 | 1 | 23,818 (1.1) | 1228.2 (1212.7 to 1243.9) | 14,902 (1.4) | 768.4 (756.2 to 780.9) |
  < 31:Severe &extreme prematurity | 157,632 | 4 | 141,844 (6.3) | 1068.6 (1063.1 to 1074.2) | 81,186 (7.7) | 611.6 (607.4 to 615.9) |
Congenital anomaly | Â | |||||
 No | 3,550,426 | 97 | 2,076,303 (92.6) | 687.6 (686.7 to 688.6) | 933,323 (88.8) | 309.1 (308.5 to 309.7) |
 Yes | 114,988 | 3 | 165,589 (7.4) | 1766.5 (1758 to 1775) | 118,296 (11.2) | 1262.0 (1254.8 to 1269.2) |
IMD Quintile c | Â | Â | Â | Â | Â | Â |
 Q1: Most deprived | 1,017,935 | 28 | 758,620 (33.8) | 878.8 (876.8 to 880.8) | 320,180 (30.4) | 370.9 (369.6 to 372.2) |
 Q2 | 817,545 | 22 | 521,845 (23.3) | 752.0 (750 to 754) | 234,770 (22.3) | 338.3 (337 to 339.7) |
 Q3 | 682,265 | 19 | 382,020 (17.0) | 658.6 (656.5 to 660.7) | 189,805 (18.0) | 327.2 (325.8 to 328.7) |
 Q4 | 592,180 | 16 | 309,765 (13.8) | 615.3 (613.1 to 617.4) | 162,995 (15.5) | 323.7 (322.2 to 325.3) |
 Q5.Least deprived | 555,490 | 15 | 269,640 (12.0) | 570.6 (568.4 to 572.7) | 143,870 (13.7) | 304.4 (302.9 to 306) |
Region c | Â | |||||
 North East | 169,965 | 5 | 132,465 (5.9) | 916.0 (911.1 to 920.9) | 63,135 (6.0) | 436.6 (433.2 to 440) |
 North West | 496,105 | 14 | 356,515 (15.9) | 847.7 (844.9 to 850.5) | 197,670 (18.8) | 470.0 (467.9 to 472.1) |
 Yorkshire and Humber | 363,085 | 10 | 223,945 (10.0) | 732.3 (729.2 to 735.3) | 104,740 (10.0) | 342.5 (340.4 to 344.6) |
 East Midlands | 298,845 | 8 | 156,680 (7.0) | 624.3 (621.2 to 627.4) | 77,740 (7.4) | 309.8 (307.6 to 312) |
 West Midlands | 406,340 | 11 | 239,290 (10.7) | 691.5 (688.7 to 694.3) | 130,660 (12.4) | 377.6 (375.5 to 379.6) |
 East of England | 376,090 | 10 | 197,060 (8.8) | 619.5 (616.8 to 622.3) | 101,150 (9.6) | 318.0 (316.1 to 320) |
 London | 655,480 | 18 | 485,830 (21.7) | 876.2 (873.8 to 878.7) | 128,735 (12.2) | 232.2 (230.9 to 233.5) |
 South East | 554,670 | 15 | 301,160 (13.4) | 630.4 (628.2 to 632.7) | 146,355 (13.9) | 306.4 (304.8 to 308) |
 South West | 344,830 | 9 | 148,940 (6.6) | 504.9 (502.3 to 507.4) | 101,430 (9.6) | 343.8 (341.7 to 345.9) |
Maternal Age | Â | |||||
 Under 20 | 133,057 | 4 | 126,233 (5.6) | 1133.1 (1126.8 to 1139.3) | 53,553 (5.1) | 480.7 (476.6 to 484.8) |
 20—29 | 1,627,985 | 44 | 1,113,349 (49.7) | 805.4 (803.9 to 806.9) | 520,738 (49.5) | 376.7 (375.7 to 377.7) |
 30—39 | 1,759,622 | 48 | 927,821 (41.4) | 619.9 (618.6 to 621.2) | 442,373 (42.1) | 295.6 (294.7 to 296.4) |
 40 +  | 144,750 | 4 | 74,489 (3.3) | 606.5 (602.2 to 610.9) | 34,955 (3.3) | 284.6 (281.7 to 287.6) |