Table 4

Respiratory illness between birth and before Key Stage 1 assessment by asthma severity

Asthma severity algorithmAcute asthma
No asthmaDiagnosis onlyIntermittent bronchodilatorPersistent mild*Persistent moderatePersistent severeInpatient hospital admission†
N75 1565322307624713652993487
LRTI GP contacts§
 0 (%)52 170 (69)346 (65)1071 (46)2515 (40)445 (33)71 (24)1196 (34)
 1 (%)13 361 (18)94 (18)520 (23)1443 (23)291 (21)50 (17)765 (22)
 2 (%)5336 (7)48 (9)319 (14)863 (14)207 (15)30 (10)511 (15)
 3+ (%)4289 (6)44 (8)397 (17)1426 (23)422 (31)148 (50)1015 (29)
URTI GP contacts
 0 (%)20 266 (27)204 (38)427 (19)1022 (16)169 (12)25 (8)598 (17)
 1–4 (%)39 817 (53)243 (46)1195 (52)3167 (51)614 (45)126 (42)1663 (48)
 5–6 (%)7190 (10)39 (7)301 (13)855 (14)204 (15)52 (17)472 (14)
 7+ (%)7683 (10)46 (9)384 (17)1203 (19)378 (28)96 (32)754 (22)
GP contacts
 Influenza and pneumonia 1+ (%)2067 (3)20 (4)82 (4)304 (5)113 (8)16 (5)242 (7)
 Bronchiolitis 1+ (%)3063 (4)30 (6)221 (10)662 (11)189 (14)54 (18)538 (15)
 Chronic lower respiratory disease
 1+ (%)
465 (1)6 (1)28 (1)96 (2)32 (2)6 (2)89 (3)
 Unspecified respiratory illness
 1+ (%)
392 (1)<5 (0)24 (1)39 (1)15(1)<5 (1–2)20 (1)
Chronic upper respiratory disease
GP contacts
 0 (%)69 704 (93)490 (92)2006 (87)5250 (84)1050 (77)244 (82)2907 (83)
 1 (%)4192 (6)31 (6)207 (9)699 (11)203 (15)40 (13)418 (12)
 2+ (%)1260 (2)11 (2)94 (4)298 (5)112 (8)15 (5)162 (5)
Croup GP contacts¶
 0 (%)69 722 (93)500 (94)2077 (90)5543 (89)1146 (84)239 (80)3091 (89)
 1+ (%)5434 (7)32 (6)230 (10)704 (11)219 (16)60 (20)396 (11)
  • *Inhaled corticosteroid or alternative.

  • †Excludes first admission if before first GP visit.

  • §Includes bronchiolitis if coded with bronchitis.

  • ¶Original categories 0, 1, 2+ changed due to small numbers concerning anonymity rules.

  • GP, general practice; URTI, upper respiratory tract infection.