Table 5.
Adjusted odds ratios of incident CVC usage by distance to centre and geographic region (distance X region interaction p = 0.02)
| Region | Distance from dialysis centre (km) | % CVC (N) | OR 95% CI |
|---|---|---|---|
| Atlantic |
<5 |
75.4 (459) |
Referent |
| 5-20 |
72.2 (449) |
1.19 (0.89-1.61) |
|
| > 20 |
76.4 (1192) |
3.05 (2.30-4.04) |
|
| Central |
<5 |
79.7 (3306) |
Referent |
| 5-20 |
79.1 (4320) |
1.11 (0.98-1.25) |
|
| > 20 |
85.3 (3962) |
2.78 (2.38-3.24) |
|
| Prairies |
<5 |
78.5 (1173) |
Referent |
| 5-20 |
79.1 (1547) |
1.50 (1.20-1.88) |
|
| > 20 |
82.1 (2094) |
2.06 (1.64-2.59) |
|
| Pacific | <5 |
76.5 (721) |
Referent |
| 5-20 |
74.9 (935) |
1.10 (0.85-1.43) |
|
| > 20 | 78.6 (954) | 2.83 (2.06-3.90) |
Adjusted for race, era, sex, age, BMI, albumin, hemoglobin, co-morbidities, pre-dialysis care, cause of ESRD.