Table 2 |
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|
Adjusted multivariate logistic regression of factors associated with invitation to CR (n = 2,375) |
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|
VARIABLES |
N (%) |
N INVITED to CR (%) |
ODDS RATIO: 95% CONFIDENCE INTERVAL |
|
|
|||
|
TOTAL |
2,375 |
1,170 (49.3%) |
NA |
|
Sex |
2,375 |
||
|
Males |
1,503 (63%) |
807 (69%) |
1.00 |
|
Females |
872 (37%) |
363 (31%) |
0.60 (0.39 to 0.92) |
|
Age |
|||
|
Age |
2,375 |
NA |
0.997 (0.996 0.998) |
|
Marital status |
2,340 |
||
|
Not married |
820 (35%) |
339 (30%) |
1.00 |
|
Married |
1,520 (65%) |
808 (70%) |
1.34 (1.05 to 1.71) |
|
Main language spoken |
2,357 |
||
|
Non-English |
76 (3%) |
20 (2%) |
1.00 |
|
English |
2,281 (97%) |
1,138 (98%) |
3.20 (1.63 to 6.32) |
|
IRSD |
2,355 |
||
|
Less advantaged |
634 (27%) |
326 (28%) |
1.00 |
|
More advantaged |
1,721 (73%) |
835 (72%) |
0.71 (0.52 to 0.97) |
|
Hospitalisation year |
2,375 |
||
|
1996 & 1997 |
857 (36%) |
315 (27%) |
1.00 |
|
1998, 1999 & 2000 |
1,518 (64%) |
855 (73%) |
3.61 (2.83 to 4.59) |
|
Hospital billing status |
2,373 |
||
|
Public |
1,759 (74%) |
859 (73%) |
1.00 |
|
Private |
443 (19%) |
241 (21%) |
1.44 (1.07 to 1.93) |
|
Other (WC, DVA) |
171 (7%) |
70 (6%) |
1.66 (1.06 to 2.60) |
|
Index cardiac diagnosis |
2,375 |
||
|
AMI |
894 (38%) |
632 (54%) |
1.00 |
|
UAP |
975 (41%) |
326 (28%) |
0.07 (0.06 to 0.10) |
|
IHD |
324 (14%) |
195 (17%) |
0.09 (0.06 to 0.13) |
|
HF |
182 (8%) |
17 (2%) |
0.04 (0.02 to 0.06) |
|
Length of hospital stay |
2,375 |
||
|
Part 1 |
NA |
402.20 (63.44 to 2549.91) |
|
|
Part 2 |
NA |
0.07 (0.03 to 0.16) |
|
|
Hospital deaths |
2,375 |
||
|
Alive |
2,263 (95%) |
1,162 (99%) |
1.00 |
|
Dead |
112 (5%) |
8 (1%) |
0.05 (0.02 to 0.11) |
|
Bypass surgery |
2,375 |
||
|
No |
1,985 (84%) |
870 (74%) |
1.00 |
|
Yes |
390 (16%) |
300 (26%) |
9.23 (5.96 to 14.30) |
|
Angiography |
2,375 |
||
|
No |
1,889 (80%) |
842 (72%) |
1.00 |
|
Yes |
486 (20%) |
328 (28%) |
1.57 (1.14 to 2.17) |
|
Angioplasty/stenting |
2,375 |
||
|
No |
2,051 (86%) |
968 (83%) |
1.00 |
|
Yes |
324 (14%) |
202 (17%) |
4.54 (3.08 to 6.68) |
|
HF as a secondary diagnosis |
2,375 |
||
|
No |
2,095 (88%) |
1,076 (92%) |
1.00 |
|
Yes |
280 (12%) |
94 (8%) |
0.55 (0.38 to 0.80) |
|
Malignant cancer present |
2,375 |
||
|
No |
2,315 (98%) |
1,150 (98%) |
1.00 |
|
Yes |
60 (3%) |
20 (2%) |
0.41 (0.20 to 0.83) |
|
|
|||
|
Note: The APDC was the primary data source. The APDC is the official inclusive state-wide data collection of hospital inpatient statistics in NSW. The IRSD refers to Index of Relative Socioeconomic Disadvantage; UAP refers to unstable angina pectoris; IHD refers to ischaemic heart disease; HF refers to heart failure; main language spoken and region of birth were proxies for ethnicity. Age was transformed as a one part polynomial expression. Length of stay was transformed as a two part polynomial expression. Missing values for marital status (35), main language spoken (18), socioeconomic status (20) and billing status (2). Married/not married refers to those known to be married or partnered, compared with those known to be not married or partnered. NA not applicable. |
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|
Williams et al. International Journal for Equity in Health 2010 9:2 doi:10.1186/1475-9276-9-2 |
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