Table 3.

Subgroup analysis for prevalence of gastroparesis by region, sex and age*

Subgroups	Patients with gastroparesis	Population in the CPRD	Standardised prevalence (95% CI)
Region
UK (overall)	479	2 926 268	15.4 (13.3 to 17.5)
England
East of England	23	118 333	20.0 (11.8 to 28.2)
East Midlands†	NA	NA	NA
London	27	304 711	8.4 (5.2 to 11.6)
North East	5	24 323	20.9 (2.6 to 39.2)
North West	34	192 228	17.9 (11.9 to 23.9)
South East	71	613 002	11.4 (8.8 to 14.1)
South West	22	175 789	13.0 (7.5 to 18.5)
West Midlands	24	188 643	12.4 (7.4 to 17.4)
Yorkshire and the Humber	3	21 963	12.5 (0.0 to 26.6)
Scotland	180	570 821	31.7 (27.1 to 36.3)
Northern Ireland	37	148 300	23.6 (16.0 to 31.2)
Wales	53	568 155	9.2 (6.7 to 11.7)
Sex
Male	170	1 447 569	10.3 (7.8 to 12.8)
Female	309	1 478 699	20.4 (17.0 to 23.8)
Age group in years
0–17	14	595 958	3.6 (1.2 to 6.0)
18–29	41	414 863	8.2 (5.1 to 11.3)
30–39	58	392 033	11.8 (7.6 to 15.9)
40–49	78	411 954	18.4 (11.2 to 25.5)
50–59	93	407 911	22.4 (14.9 to 29.9)
60–69	85	322 436	28.3 (18.4 to 38.3)
70–79	61	229 605	23.7 (16.5 to 31.0)
80+	49	151 508	30.7 (18.8 to 42.6)

*Subgroup analysis used point prevalence on 1 July 2016.

†General practices in East Midlands did not contribute to the CPRD in 2016.

CPRD, Clinical Practice Research Datalink; NA, not applicable.