Table 4

Prevalence and OR for each flag with its corresponding predictability for the risk of unintentional medication discrepancies (UMDs)

FlagFrequency (%)OR to predict high risk score ≥22 (n=97), p valueAUC predicting risk ≥22OR to predict number of UMDs ≥1 (n=126), p valueAUC predicting number of UMDs ≥1OR to predict number of UMDs ≥4 (n=30), p valueAUC predicting number of UMDs ≥4
>8 Adm meds*140 (56.7%)38.7 (14.8, 101.5), <0.00010.813.7 (2.2, 6.4), <0.00010.668.2 (2.4, 27.8), 0.00070.69
Diabetic meds* 53 (21.5%) 1.8 (1.0, 3.4), 0.050.552.4 (1.3, 4.6), 0.0070.574.0 (1.8, 8.8), 0.00070.64
Readmit <30 days* 49 (19.8%) 4.3 (2.2, 8.4), <0.00010.626.8 (3.0, 15.2), <0.00010.634.5 (2.0, 10.1), 0.00020.65
Readmit <7 days* 69 (27.9%) 8.1 (4.3, 15.2), <0.00010.703.5 (1.9, 6.4), <0.00010.624.1 (1.9, 9.1), 0.00040.66
CCM diabetes 18 (7.3%) 3.4 (1.2, 9.3), 0.020.542.6 (0.9, 7.7), 0.070.535.7 (2.0, 16.1), 0.0010.59
Poor compliance 16 (6.5%) 3.7 (1.2, 11.0), 0.020.543.1 (1.0, 9.7), 0.060.533.7 (1.2, 11.6) 0.0230.56
Age >75 82 (33.2%) 7.7 (4.3, 14.1), <0.00010.721.7 (1.0, 2.9), 0.060.561.6 (0.7, 3.5), 0.220.56
Multiple outpatient attendance 37 (15.0%)11.2 (4.5, 28.1), <0.00010.641.9 (0.9, 4.0), 0.070.541.9 (0.7, 4.8), 0.180.55
CCM CVD 12 (4.9%) 8.4 (1.8, 39.5), 0.0070.553.0 (0.8, 11.4), 0.110.521.5 (0.3, 7.1), 0.630.51
Age >65 PI M 22 (8.9%) 3.0 (1.2, 7.4), 0.020.551.4 (0.6, 3.5), 0.440.511.2 (0.3, 4.2), 0.830.51
Freq presenter 27 (10.9%) 6.6 (2.5, 17.0), <0.00010.590.7 (0.3, 1.6), 0.460.521.8 (0.6, 5.1), 0.290.53
Cardiovascular meds 20 (8.1%) 2.5 (1.0, 6.3), 0.060.541.5 (0.6, 3.7), 0.410.511.3 (0.4, 4.7), 0.690.51
English difficulty 10 (4.0%) 2.4 (0.7, 8.7), 0.190.522.3 (0.6, 9.1), 0.240.525.4 (1.4, 20.3), 0.0130.55
Outdated pyxis195 (78.9%) 1.2 (0.7, 2.4), 0.500.520.6 (0.3, 1.0), 0.070.551.4 (0.5, 3.7), 0.560.52
Anticoagulant meds 75 (30.4%) 1.3 (0.8, 2.3), 0.330.530.6 (0.4, 1.1), 0.130.541.4 (0.6, 3.1), 0.430.54
Antiepileptic meds  6 (2.4%) 1.6 (0.3, 7.9), 0.590.510.5 (0.08, 2.6), 0.390.513.8 (0.7, 21.6), 0.130.52
CCM CHF  3 (1.2%) 3.1 (0.3, 34.8), 0.360.511.9 (0.2, 1.4), 0.600.503.7 (0.3, 42.0), 0.290.51
Opioid meds 13 (5.3%) 1.3 (0.4, 4.1), 0.610.511.1 (0.4, 3.4), 0.850.502.3 (0.6, 8.8), 0.230.53
High risk transfer  9 (3.7%) 0.8 (0.2, 3.1), 0.700.510.5 (0.1, 1.9), 0.280.510.9 (0.1, 7.4), 0.920.50
TDM meds 13 (5.3%) 1.3 (0.4, 4.1), 0.610.511.6 (0.5, 4.9), 0.450.51Not applicable
High-risk specialty  3 (1.2%) 3.1 (0.3, 34.8), 0.360.510.5 (0.04, 5.3), 0.540.50
Mental health  1 (0.4%)Not applicable
Not applicable
CCM COPD  1 (0.4%)
  • *Indicates statistically significant flags.

  • Two flags; no registered GP and prescribing for elderly were not present in study cohort.

  • Medication classes as per British National Formulary therapeutic classification.

  • Age>65 PI M is age >65 if patient is from Pacific Island or of Maori descent.

  • Adm, admission; AUC, area under receiver operating characteristic curve; CCM, chronic care management programme; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; CVD, cardiovascular disease; meds, medications; Readmit, readmission;  TDM, therapeutic drug monitoring.