Factors | Number of studies | Odds ratio (Random, with 95% CI) | Heterogeneity (I2) | Q-test, p-value |
---|---|---|---|---|
Inadequate Work experience (≤ 4 years) | 7 | 3.64 (3.32, 3.96) | 0.00% | 0.97 |
Interruptions | 7 | 3.53 (3.19, 3.87) | 0.00% | 0.98 |
Lack of medication guideline availability | 5 | 2.14(1.63,2.66) | 0.00% | 0.99 |
Lack of training | 4 | 3.22(2.67, 3.77) | 0.00% | 0.99 |
Nurse-patient ratio (≥ 1:10) | 3 | 2.82(2.19, 3.45) | 0.00% | 0.46 |
Night shift time | 3 | 3.89(3.37, 4.41) | 0.00% | 0.58 |