Table 2.
Factors influencing time to bed arrival
| Factors | LS mean (95% CI, hrs) | Adjusted increase in time to bed arrival, compared to referent group* | p value |
|---|---|---|---|
| MRSA/VRE Flag Status | |||
| MRSA/VRE Flag1 | 9.63 (9.39–9.88) | 62 Minutes | <.0001 |
| No flag for MRSA/VRE | 8.60 (8.47–8.73) | Ref | |
| Gender | |||
| Female | 9.29 (9.12–9.47) | 23 Minutes | <.0001 |
| Male | 8.92 (8.76–9.08) | Ref | |
| Age | |||
| < 65 years | 9.29 (9.12–9.46) | 22 Minutes | <.0001 |
| ≥ 65 years | 8.92 (8.76–9.09) | Ref | |
| Acuity on admission | |||
| Observation Unit | 6.25 (6.10–6.41) | Ref | <.0001 |
| General Care Unit | 10.20 (10.04–10.37) | 4 Hours | |
| Step-Down Unit | 14.71 (14.29–15.15) | 8 Hours 30 Minutes | |
| Intensive Care Unit | 7.31 (7.12–7.51) | 1 Hour | |
| Admit day of week | |||
| Weekday (M–F) | 9.37 (9.21–9.53) | 32 Minutes | <.0001 |
| Saturday/Sunday | 8.84 (8.66–9.03) | Ref | |
| Residence prior to admission, home | |||
| No | 9.12 (8.90–9.34) | 2 Minutes | 0.7666 |
| Yes | 9.09 (8.94–9.23) | Ref | |
| Hospitalization within previous 30 days | |||
| No | 9.03 (8.88–9.19) | Ref | 0.0864 |
| Yes | 9.17 (8.98–9.36) | 8 Minutes | |
| Admitting inpatient service | |||
| Surgical | 10.14 (9.94–10.34) | 2 Hours | <.0001 |
| Medical | 8.17 (8.03–8.32) | Ref |
LS Mean: multivariate model based predicted mean, the average of predicted marginal mean over the classes of the simultaneously controlled covariates. Unadjusted observed means for MRSA/VRE flag status were 10.14 [95% CI 9.92–10.37] for patients with a flag and 9.36 [95% CI 9.29–9.43] for patients with no flag, which is an adjusted increase of 47 minutes for patients with a flag on admission (data not shown).
*
Length of delay was rounded to the nearest integer
1
MRSA flag, VRE flag, and both MRSA and VRE flag were associated with an excess mean time to bed arrival of 55 minutes, 51 minutes, and 95 minutes, compared to patients with no flag, respectively.