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Table 1 Descriptive characteristics of the study population in CPRD

From: Potentially inappropriate prescribing among older people in the United Kingdom

 

PIP (n = 723,838)

No PIP (n = 295,653)

Gender

  

  -Male (%)

122,817 (28.7)

304,622 (71.3)

  -Female (%)

172,834 (29.2)

419,211 (70.8)

  -Missing (%)

2

 

Age (years)

  

  -70–74 (%)

82,177 (37.4)

137,366 (62.6)

  -75–80 (%)

92,488 (37.6)

153,778 (62.4)

  -81–85 (%)

62,407 (33.1)

126,040 (66.9)

  - > 85 (%)

58,581 (18)

306,654 (84)

Morbidities (Charlson morbidity index score)

  

  -1 (%)

189,864 (28.3)

481,983 (71.7)

  -2 (%)

52,365 (46.8)

59,519 (53.2)

  -3 (%)

53,424 (22.7)

182,336 (77.3)

Polypharmacy (≥4 medications)

  

  -Never (%)

114,816 (14.6)

669,572 (85.3)

  -Ever (%)

180,837 (76.9)

54,266 (23.1)

Chronic Obructive Pulmonary Disease

  

  -No (%)

277,497 (28.2)

707,447 (71.8)

  -Yes (%)

18,156 (52.6)

16,391 (47.5)

Peptic ulcer

  

  -No (%)

274,487 (28.9)

675,938 (71.1)

  -Yes (%)

21,166 (30.7)

47,900 (69.4)

Diabetes

  

  -No (%)

225,280 (27.3)

625,591 (72.7)

  -Yes (%)

70,373 (41.7)

98,247 (58.3)

Dementia

  

  -No (%)

283,983 (28.5)

710,985 (71.5)

  -Yes (%)

11,670 (47.6)

12,853 (52.4)

Hypertension

  

  -No (%)

140,467 (21.1)

525,316 (78.9)

  -Yes (%)

155,186 (43.9)

198,522 (56.1)

Osteoarthritis

  

  -No (%)

216,981 (26.5)

601,325 (73.5)

  -Yes (%)

78,672 (39.1)

122,513 (60.9)

Heart failure

  

  -No (%)

292,294 (29.0)

715,868 (71.0)

  -Yes (%)

3,359 (29.7)

7,970 (70.4)

Parkinsonism

  

  -No (%)

290,071 (29.0)

709,721 (71.0)

  -Yes (%)

5,582 (28.3)

14,117 (71.7)