Table 3

Age effects for the three different checks in the time-out procedure: checking the patient (n=1074), the procedure (n=1074), and the side/site (n=1074)

Model 0 (check patient+age+sex)Model 1 (check procedure+age+sex)Model 2 (check side/site+age+sex)
Fixed effectsEstimate (SE)Estimate (SE)Estimate (SE)
Check patient (constant)3.499 (0.334)
Check procedure (constant)2.276 (0.282)
Check side/site (constant)2.739 (0.204)
Patient's age0.008 (0.008)−0.021 (0.006)*0.012 (0.007)*
Patient's sex−0.185 (0.288)0.124 (0.198)0.160 (0.246)
Random effects
Variance components:
 Intraclass correlation27.17224.99010.854
 Hospital (level 2)1.228 (0.623)*1.096 (0.464)*0.401 (0.236)*
 Surgical procedure (level 1)0.834 (0.036)0.922 (0.040)0.950 (0.041)
  • *p<0.05.