Skip to main content

Table 4 The association between the occurrence of PIMs and PPOs using STOPP and START respectively and 12 month mortality and hospitalisation for Māori and non- Māori participants

From: Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)

Māori Hosptialisation
Participants with at least one instance of PIPAny hospitalisation at 12 months follow-up
n (column %)
Adjusteda
OR (95% CI)P Value
PIMsYes (57)YesNo1.20 (0.59, 2.44)0.619
28 (49.1)29 (50.9)
No(189)71 (37.6)118 (62.4)
PPOsYes(99)74 (74.7)25 (25.3)2.80 (1.54, 5.10)0.001
No(147)69 (46.9)78 (53.1)
PIMs or PPOsYes(159)78 (49.1)81 (50.9)2.41 (1.26, 4.59)0.008
No(87)21 (24.1)66 (75.7)
Māori Mortality
Participants with at least one instance of PIPMortality at 12 months follow-up (n = 20) (%) n (column %)Adjusteda
OR (95% CI)P Value
PIMsYes (65)YesNo1.04
(0.30, 3.70)
0.946
6 (9.2)59 (90.8)
No (202)14 (6.9)188 (93.1)
PPOsYes (155)18 (11.6)137 (88.4)3.61
(0.70, 18.56)
0.125
No (112)2 (1.8)110 (98.2)
PIMs or PPOsYes (175)18 (10.3)157 (89.7)1.92
(0.36, 10.19)
0.445
No (92)2 (2.2)90 (97.8)
Non-Maori Hosptialisation
Participants with at least one instance of PIPAny hospitalisation at 12 months follow-upaaAdjusteda
OR (95% CI)P Value
PIMsYes (113)YesNo1.25 (0.77, 2.02)0.371
51 (45.1)62 (54.9)
No (285)112 (39.3)173 (60.7)
PPOsYes (197)88 (44.7)109 (55.3)1.44 (0.94, 2.20)0.090
No (201)75 (37.3)126 (62.7)
PIMs or PPOsYes (163)109 (66.9)54 (33.1)1.40 (0.90, 2.17)0.141
No (235)141 (60.0)94 (40.0)
Non-Maori Mortality
Patients with at least one instance of PIPMortality at 12 months follow-up (n = 18) (%)aaaAdjusteda
OR (95% CI)P Value
PIMsYes (113)YesNo1.698
(0.575, 5.011)
0.338
8 (7.1)105 (92.9)
No (291)10 (3.4)281 (96.6)
PPOsYes (198)13 (6.6)185 (93.4)2.37 (0.71,7.86)0.160
No (206)5 (2.4)201 (97.6)
PIMs or PPOsYes (251)16 (6.4)235 (93.6)7.21 (0.90, 57.58)0.062
No (153)2 (1.3)151 (98.7)
  1. Key: PIP = Potentially Inappropriate Prescribing; PIMs = Potentially inappropriate medicines; PPOs = Potential prescribing omissions; OR = Odds Ratio. a Adjusted forgender, prior 12-month GP, deprivation, CHF, number of medication, NEADL activities of daily living. For age, non-Māori participants were born in 1925. Māori participants were born in 1920–1930. Age was adjusted for in all models. aaCalculated as a percentage of non-Māori patients for whom hospitalisation data was known (n = 398). aaa Percentage total non-Māori population (n = 404)