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Table 5 Frequency (%) of medication prescription errors according to potential risk factors at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia

From: Medication prescribing errors in the medical intensive care unit of Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia

Characteristics Number of patients No. of patients with error % of patients with error P-value Ex(B) (95 % CI)
Age
 <18  13 2 15.4  
 18–50 136 87 64.0 0.004 9.765 (2.079–45.861)
 >50 71 47 66.2 0.003 10.771 (2.208–52.546)
Gender
 Male  120 73 60.8 0.019 1.553
 Female 100 63 63.0 1.096 (0.634–2.124)
Regimen taken
 Poly pharmacy 187 127 67.6 0.000 5.644 (2.473–12.884)
 Simple 33 9 27.3 0.375
Co-morbidity
 <3  75 41 54.7 1.206
 ≥3 145 95 65.5 0.117 1.576 (0.892–2.784)
State of patient
 Conscious 161 101 62.7 1.458
 Unconscious 59 35 59.3 0.645 1.154 (0.627–1.894)
Source of admission
 Emergency  168 102 60.7 0.818 (0.427–1.567)
 Other wards 52 34 65.4 0.029 1.889
Length of ICU stay
 <4 days  79 43 54.4 1.194
 ≥4 days 141 93 66.0 0.092 1.622 (0.923–2.849)