Table 4

Severity of adverse events (AE) assessed with multinomial logistic regression models: two models explaining moderate and severe AE versus slight AE

VariablesβSEWalddfp ValueOR (95% CI for OR)
ModerateAge categories (1)
 <1 year0.340.450.561.000.451.40 (0.58 to 3.40)
 1–15 years0.540.531.031.000.311.72 (0.60 to 4.89)
 16–45 years−0.040.230.031.000.850.96 (0.61 to 1.50)
 46–65 years0.040.230.031.000.861.04 (0.66 to 1.64)
Ward categories (2)
 Surgery and gynaecology0.500.215.501.000.021.65 (1.09 to 2.51)
 Obstetrics0.320.330.951.000.331.38 (0.72 to 2.62)
 Paediatrics−0.080.460.031.000.870.93 (0.37 to 2.29)
 Intensive care0.230.310.551.000.461.26 (0.68 to 2.32)
Stay before survey0.000.001.711.000.191.00 (1.00 to 1.01)
Type of AE (3)
 Related to medication0.760.296.801.000.012.13 (1.21 to 3.76)
 Related to a nosocomial infection1.720.2355.701.000.005.59 (3.56 to 8.78)
 Related to a procedure0.520.254.471.000.031.68 (1.04 to 2.73)
 Related to a diagnosis1.910.4319.991.000.006.77 (2.93 to 15.67)
 Other0.910.444.231.000.042.49 (1.04 to 5.93)
Origin of the AE (4)
 Prior to admission0.920.299.871.000.002.51 (1.41 to 4.47)
 Upon admission to the unit−0.190.360.281.000.600.83 (0.41 to 1.67)
 During a procedure0.510.234.791.000.031.67 (1.06 to 2.64)
 Following a procedure−0.270.251.231.000.270.76 (0.47 to 1.23)
 At discharge1.130.514.791.000.033.09 (1.13 to 8.47)
Prognosis of the primary disease (5)
 Residual disability0.390.194.181.000.041.48 (1.02 to 2.16)
 Terminal illness0.000.310.001.001.001.00 (0.55 to 1.82)
Constant0.350.341.051.000.31
SevereAge categories (1)
 <1 year−1.130.593.671.000.060.32 (0.10 to 1.03)
 1–15 years−1.250.772.641.000.100.29 (0.06 to 1.30)
 16–45 years−0.700.296.091.000.010.49 (0.28 to 0.87)
 46–65 years−0.200.280.501.000.480.82 (0.48 to 1.42)
Ward categories (2)
 Surgery and gynaecology0.950.2613.301.000.002.59 (1.55 to 4.32)
 Obstetrics−1.310.683.691.000.050.27 (0.07 to 1.03)
 Paediatrics0.590.630.871.000.351.80 (0.52 to 6.24)
 Intensive care1.150.369.951.000.003.16 (1.55 to 6.45)
Stay before survey0.000.003.891.000.051.00 (1.00 to 1.01)
Type of AE (3)
 Related to medication0.630.531.421.000.231.88 (0.67 to 5.33)
 Related to a nosocomial infection2.260.3737.621.000.009.54 (4.64 to 19.61)
 Related to a procedure1.960.3826.581.000.007.13 (3.38 to 15.05)
 Related to a diagnosis2.000.679.011.000.007.36 (2.00 to 27.10)
 Other1.540.616.431.000.014.65 (1.42 to 15.28)
Origin of the AE (4)
 Prior to admission1.530.3717.321.000.004.61 (2.24 to 9.47)
 Upon admission to the unit0.000.520.001.000.991.00 (0.36 to 2.78)
 During a procedure1.280.2919.741.000.003.58 (2.04 to 6.30)
 Following a procedure0.070.320.051.000.821.07 (0.58 to 2.00)
 At discharge1.180.653.311.000.073.24 (0.91 to 11.52)
Prognosis of the primary disease (5)
 Residual disability0.850.2412.761.000.002.33 (1.47 to 3.72)
 Terminal illness1.280.3513.651.000.003.60 (1.83 to 7.11)
Constant−1.400.478.751.000.00
  • Reference categories: (1) patients >65years old; (2) medical specialties; (3) related to patient management and nursing care; (4) being the patient in the hospitalisation ward; (5) complete recovery to the previous health level.