Table 1

Demographics and characteristics of patients with gastroparesis in the CPRD

Study variablePatients with gastroparesis
(n=1135)
Sex, n (%)
 Female723 (63.7)
 Male412 (36.3)
Age at first gastroparesis diagnosis, years
 Mean (SD)50.6 (20.1)
Ethnicity, n (%)
 n608
 White517 (85.0)
 Asian74 (12.2)
 Other17 (2.8)
Body weight, kg
 n709
 Mean (SD)74.2 (20.8)
BMI, kg/m2
 n687
 Mean (SD)27.2 (8.1)
 Median (Q1, Q3)26.5 (22.3, 31.0)
BMI category, n (%)
 n687
 Underweight (<18.5 kg/m2)51 (7.4)
 Normal (18.5–<25 kg/m2)226 (32.9)
 Overweight (25–<30 kg/m2)194 (28.2)
 Class I obesity (30–<35 kg/m2)139 (20.2)
 Class II obesity (35–<40 kg/m2)44 (6.4)
 Class III obesity (≥40 kg/m2)33 (4.8)
HbA1c, mmol/mol
 n357
 Mean (SD)66.5 (25.1)
Alcohol use, n (%)
 Never177 (15.6)
 Former136 (12.0)
 Current582 (51.3)
 Unknown240 (21.1)
Smoking status, n (%)
 Never324 (28.5)
 Former453 (39.9)
 Current214 (18.9)
 Unknown144 (12.7)
Duration of CPRD registration before index date, years
 Mean (SD)9.1 (5.8)
Duration of follow-up post-index date, years
 Mean (SD)4.7 (3.4)
Charlson Comorbidity Index
 Mean (SD)1.8 (2.0)
 Median (Q1, Q3)1.0 (0.0, 3.0)
Charlson Comorbidity Index category
 0378 (33.3)
 1–2439 (38.7)
 3–4204 (18.0)
 >=5114 (10.0)
Comorbidities, n (%)
 Cancer109 (9.6)
 Cerebrovascular disease75 (6.6)
 Congestive heart failure37 (3.3)
 Chronic pulmonary disease309 (27.2)
 Dementia13 (1.1)
 Diabetes with complications308 (27.1)
 Diabetes118 (10.4)
 Hemiplegia or paraplegia13 (1.1)
 HIV/AIDS3 (0.3)
 Myocardial infarction50 (4.4)
 Mild liver disease21 (1.9)
 Moderate or severe liver disease6 (0.5)
 Metastatic solid tumour7 (0.6)
 Peptic ulcer disease92 (8.1)
 Peripheral vascular disease60 (5.3)
 Renal disease147 (13.0)
 Rheumatic disease69 (6.1)
  • AIDS, acquired immunodeficiency syndrome; BMI, body mass index; CPRD, Clinical Practice Research Datalink; HbA1c, glycated haemoglobin; HIV, human immunodeficiency virus; SD, standard deviation.