Canadian Respiratory Journal

Research Article

Preliminary Results of the Adoption and Application of the Integrated Comprehensive Care Bundle Care Program When Treating Patients with Chronic Obstructive Pulmonary Disease

Table 6

Example of the unadjusted analyses using the inappropriate COPD comparator group.


	ICC group	Unselected COPD comparison	value

Number of patients

Length of stay during initial hospitalization (days) (mean (SD); min–max)	6.47 (7.29)	7.78 (13.92)	0.13

Resource intensity weight (RIW) during initial hospitalization (mean (SD); min–max)	1.16 (0.80)	1.56 (2.09)	<0.01

Proportion of atypical index admission, (%)	4 (5.26)	71 (8.77)	0.39

Proportion of patients with at least 1 readmission, (%)
At 30 days	9 (11.84)	73 (9.01)	0.42
At 60 days	15 (19.74)	128 (15.80)	0.37

Average readmission rates per 100 persons (95% CI)
At 30 days	11.84 (4.41; 19.27)	9.63 (7.45; 11.81)
At 60 days	23.68 (11.96; 35.41)	18.64 (15.44; 21.85)

Average LOS per 100 persons (95% CI)
At 30 days	94.74 (27.58; 161.89)	64.81 (44.98; 84.65)
At 60 days	236.84 (103.71; 369.97)	148.89 (110.59; 187.19)

Average LOS (nontruncated) per 100 persons
At 30 days	122.37 (31.68; 213.05)	149.14 (70.07; 228.20)
At 60 days	260.53 (110.56; 410.49)	212.59 (130.95; 294.23)

LOS, length of stay; , number; SD, standard deviation. Beta-estimates (95% CI) for each statistical comparison are provided in Table 7. comparison group within this table is composed of all 810 patients admitted to St. Joseph’s Healthcare Hamilton for COPD between June 1, 2012, and March 31, 2015, who did not enter within the ICC group. patients still admitted at the end of the examined time-horizon, the complete LOS was included in the analysis even if it extended beyond the examined time-horizon. value within the negative binomial part of the ZINB regression. value within the zero-inflated part of the ZINB regression.