Risk factor |
Exposed |
Unexposed |
Risk Ratio
(95% CI);
p-value1 |
Incident Cases |
Total patients |
Attack rate % |
Incident Cases |
Total patients |
Attack rate % |
Age > 68 years2 |
3 |
24 |
12.5 |
4 |
28 |
14.3 |
0.875 (0.217 – 3.527); >0.999 |
Male gender |
4 |
17 |
23.5 |
3 |
35 |
8.6 |
2.745 (0.691 – 10.910); 0.295 |
Race: White |
4 |
15 |
26.7 |
3 |
38 |
7.9 |
3.378 (0.856 – 13.320); 0.179 |
Cause of renal failure: Hypertension |
4 |
35 |
11.4 |
3 |
17 |
17.6 |
0.648 (0.163 – 2.575); 0.827 |
Diabetes mellitus |
2 |
28 |
7.1 |
5 |
22 |
22.7 |
0.314 (0.067 – 1.469); 0.245 |
Dialysis >34 months2 |
3 |
25 |
12 |
4 |
27 |
14.8 |
0.810 (0.201 – 0.267); >0.999 |
Dialyzed on MWF schedule |
6 |
30 |
20.0 |
1 |
22 |
4.3 |
4.400 (0.570 – 33.980); 0.226 |
Dialyzed on 1st shift |
1 |
25 |
4.0 |
6 |
27 |
22.2 |
0.180 (0.023 – 1.392); 0.124 |
Received epogen alpha3 |
4 |
26 |
15.4 |
3 |
26 |
11.5 |
1.333 (0.331 – 5.378); >0.999 |
Received paricalcitol3 |
5 |
27 |
18.5 |
2 |
25 |
8.0 |
2.315 (0.493 – 10.870); 0.486 |
Received iron sucrose3 |
4 |
26 |
15.4 |
3 |
26 |
11.5 |
1.333 (0.331 – 5.378); >0.999 |
Received sodium chloride3 |
4 |
26 |
15.4 |
3 |
26 |
11.5 |
1.333 (0.331 – 5.378); >0.999 |