Table 3.

Association of predictors and number of errors and error score

UnivariableMultivariable
Error number predictorsIRR95% CIP-valueIRR95% CIP-value
Group:
Intervention (ref)
Control3.942.44 to 6.36<0.0014.883.35 to 7.13<0.001
Sex:
Female (ref)
Male1.190.80 to 1.780.391.200.79 to 1.820.39
Age1.021.00 to 1.050.0830.990.97 to 1.020.63
Medical card status:
Yes (ref)
No0.960.64 to 1.450.850.920.64 to 1.310.63
Number of medications on admission1.061.02 to 1.100.0031.091.05 to 1.14<0.001
Functional status:
Not independent (ref)
Independent0.840.57 to 1.230.381.080.77 to 1.530.65
Length of stay1.021.00 to 1.030.101.000.98 to 1.020.94
UnivariableMultivariable
Error score predictorsIRR95% CIP-valueIRR95% CIP-value
Group:
Intervention (ref)
Control4.302.55 to 7.25<0.0015.713.66 to 8.91<0.001
Sex:
Female (ref)
Male1.440.90 to 2.290.131.360.86 to 2.170.19
Age1.020.99 to 1.050.310.990.96 to 1.010.31
Medical card status:
Yes (ref)
No0.770.49 to 1.210.260.740.49 to 1.120.15
Number of medications on admission1.051.00 to 1.100.071.091.04 to 1.14<0.001
Functional status:
Not independent (ref)
Independent0.980.63 to 1.540.941.160.75 to 1.770.51
Length of stay1.000.99 to 1.020.690.990.98 to 1.010.32
  • CI = confidence interval. IRR = incidence rate ratio. Ref = reference.