Table 2

Characteristics of patients having at least one COPD admission in level 2 implementation and comparator sites at preindex date

CharacteristicsImplementation sitesComparator sitesP value
Number of COPD admissions46574515
Number of patients having at least one COPD admission27322549
Age, mean (SD)71.92 (12.08)73.02 (11.45)0.166
Sex, number of male (%)1351 (49.5)1240 (48.7)0.785
Ethnicity, number of patients (%)
 White2305 (85.59)2195 (87.7)0.748
 Other388 (14.4)307 (12.3)
Comorbidity, mean Charlson score (SD)2.07 (1.58)2.14 (1.65)0.673
Socioeconomic status, number of patients per IMD quintile (%)
 1 (most deprived)103 (37.0)930 (38.2)0.763
 2552 (20.4)554 (22.8)
 3493 (18.2)506 (20.8)
 4339 (12.5)244 (10.0)
 5 (least deprived)326 (12.0)198 (8.1)
  • COPD, chronic obstructive pulmonary disease; IMD, Index of Multiple Deprivation.