Table 1

Demographic and clinical characteristics of sample

Variable	Total n	% of total sample	No PSI	≥1 PSI	p Value
Rating of overall care					0.0061
9 or 10 (top box)	15 542	61.9	62.1	58.0
0–8 (middle and bottom boxes)	9556	38.1	37.9	42.0
Rating of physician care					0.0009
9 or 10 (top box)	18 504	73.7	73.9	69.4
0–8 (middle and bottom boxes)	6594	26.3	26.1	30.6
Rating of nurse care					0.0007
9 or 10 (top box)	16 604	66.2	66.4	61.4
0–8 (middle and bottom boxes)	8494	33.8	33.6	38.6
Sex					0.0001
Male	9360	34.7	35.0	29.3
Female	17 342	65.3	65.0	70.7
Age (in years)					<0.0001
18–29	4085	16.3	16.1	20.3
30–39	3926	15.6	15.5	18.7
40–49	2606	10.4	10.5	8.5
50–59	3880	15.5	15.6	12.0
60–69	4407	17.6	17.6	16.6
70–79	3623	14.4	14.5	14.0
80 and older	2571	10.2	10.3	10.0
Marital status					<0.0001
Single (never married)	2580	10.3	10.4	6.8
Married/common law/living with partner	17 559	70.0	69.7	75.4
Divorced/separated/widowed	4959	19.2	19.9	17.8
Education level					<0.0001
Elementary or junior high	3215	12.8	12.9	9.0
Senior high (some or complete)	8264	32.9	33.0	32.4
College/technical school (some or complete)	8228	32.8	32.8	32.4
Undergraduate level (some or complete)	4255	17.0	16.8	20.3
Postgraduate degree complete	1071	4.5	4.5	6.0
Patient born in Canada					<0.0001
Yes	21 505	85.7	85.9	80.3
No	3593	14.3	14.1	19.7
Admission type					<0.0001
Urgent	15 019	59.8	60.6	42.4
Elective	10 079	40.2	39.4	57.6
Most responsible provider service					<0.0001
Family practitioner	12 704	50.6	51.3	35.8
Other	12 394	49.4	48.7	64.2
Discharge disposition					0.1592
Discharged home with/without support	23 931	95.4	95.4	94.5
Other	1167		4.6	4.6	5.5
Charlson comorbidities					<0.0001
0	18 041	71.9	72.0	68.9
1	4918		19.6	19.6	18.5
2 or more	2139	8.5	8.4	12.6