Supplementary Table 1. Interrupted time series analysis of PICU readmission rates
Variable Beta 95% CI p-value
Intercept 7.10 5.10 , 9.10 0.0001
Interval
Before RRS* 0.09 -0.30 , 0.48 0.65
RRS initiation** -5.54 -7.58, -3.50 0.0001
After RRS* -0.09 -0.55, 0.27 0.50
Interrupted time series analysis using proc autoreg. *Beta estimates represent the change in
calculated change in PICU readmission rate over time, per 3 month time period before and after
RRS initiation. **Indicates the change in PICU readmission at the time of RRS initiation.
Supplementary Table 2. Comparison of MET team support at first visit by patient characteristic
% (n) OR (95% CI) p-value Age
> 12 months 9.4 (116)
0 to 12 months 11.3 (65) 1.22 (0.89, 1.69) 0.22 Most Responsible Service
Paediatrics, general 10.7 (82)
Paediatrics, subspecialty 4.8 (10) 0.42 (0.21, 0.83) 0.01
Surgery 10.7 (84) 1.00 (0.72, 1.38) 0.98
Post-operative status
None/more than 7 days 9.9 (112)
Within last 7 days 10.3 (69) 1.05 (0.76, 1.44) 0.78 Ward Type
Medical 9.9 (89)
Surgical 10.8 (77) 1.10 (0.80, 1.52) 0.55
Combined 7.4 (13) 0.73 (0.40, 1.34) 0.31
Day of Discharge
Weekday 10.4 (132)
Weekend 9.1 (49) 0.86 (0.61, 1.21) 0.39
Season
Winter 11.2 (54)
Spring 5.9 (24) 0.49 (0.30, 0.81) 0.06
Summer 12.3 (50) 1.11 (0.74, 1.68) 0.61
Autumn 10.5 (53) 0.93 (0.62,1.39) 0.73
Number of diseased organs
None/one 8.4 (85)
Two or more 11.9 (96) 1.47 (1.08, 2.00) 0.02
Legend - Values represent percentage of subgroup requiring MET support, with counts in brackets. * All Odds ratios, 95% confidence intervals and p-values were calculated using logistic regression, MET – Medical Emergency Team; OR – Odds Ratio, PICU – Pediatric Intensive Care Unit.
Supplementary Table 3. Comparison of MET team support after first visit by patient characteristic Characteristic MET support
% (No) OR (95% CI) p value Age
> 12 months 6.26 (77)
0 to 12 months 6.42 (37) 1.03 (0.69, 1.54) 0.89 Most Responsible Service
Paediatrics, general 6.90 (53)
Paediatrics, subspecialty 3.35 (7) 0.47 (0.21, 1.04) 0.06
Surgery 6.8 (54) 0.99 (0.67, 1.47) 0.96
Post-operative status
None/more than 7 days 6.7 (76)
Within last 7 days 5.7 (38) 0.84 (0.56, 1.25) 0.38 Ward Type
Medical 6.8 (61)
Surgical 7.0 (50) 1.04 (0.70, 1.53) 0.86
Combined 1.7 (3) 0.24 (0.07, 0.77) 0.02
Day of Discharge
Weekday 6.3 (80)
Weekend 6.3 (34) 1.00 (0.66, 1.51) 0.99
Season
Winter 4.8 (23)
Spring 6.6 (27) 1.41 (0.80,2.50) 0.24
Summer 6.6 (27) 1.42 (0.80, 2.52) 0.23
Autumn 7.3 (37) 1.58 (0.93, 2.70) 0.09
Number of diseased organs
None/one 5.1 (52)
Two or more 7.9 (64) 1.58 (1.09, 2.31) 0.02
First visit assessment type
Planned 5.9 (104)
Unplanned 27.0 (10) 5.93 (2.79, 12.57) <0.001
Intervention during first visit
No 5.2 (87)
Yes 18.5 (29) 4.1 (2.60, 6.50) <0.001
Investigation during first visit
No 5.9 (103)
Yes 19.1 (13) 3.80 (2.01, 7.16) <0.001
Legend - Values represent percentage of subgroup requiring MET support after the first post-PICU MET visit, with counts in brackets. * All Odds ratios, 95% confidence intervals and p-values were calculated using logistic regression, MET – Medical Emergency Team; OR – Odds ratio, PICU – Pediatric Intensive Care Unit.