Table 4. Multivariate analysis of the factors associated with lipohypertrophy.
|
|
B |
SE |
Wald |
df |
Sig. |
Exp(B) |
95% CI for Exp(B) |
|
|---|---|---|---|---|---|---|---|---|
|
Lower |
Upper |
|||||||
|
Insulin duration, year |
0.079 |
0.037 |
4.530 |
1 |
0.033 |
1.083 |
1.006 |
1.165 |
|
Number of injections per day |
0.211 |
0.147 |
2.056 |
1 |
0.152 |
1.235 |
0.926 |
1.647 |
|
Needle length (reference=4 mm) |
|
|
5.906 |
3 |
0.116 |
|
|
|
|
8 mm |
1.498 |
0.963 |
2.417 |
1 |
0.120 |
4.472 |
0.677 |
29.550 |
|
6 mm |
0.578 |
0.316 |
3.338 |
1 |
0.068 |
1.782 |
0.959 |
3.313 |
|
5 mm |
0.436 |
0.302 |
2.086 |
1 |
0.149 |
1.546 |
0.856 |
2.794 |
|
Frequency of needle reuse (reference=none) |
|
|
4.200 |
4 |
0.380 |
|
|
|
|
2 times |
0.626 |
0.634 |
0.973 |
1 |
0.324 |
1.869 |
0.539 |
6.477 |
|
3–5 times |
0.553 |
0.608 |
0.828 |
1 |
0.363 |
1.739 |
0.528 |
5.721 |
|
6–10 times |
1.254 |
0.701 |
3.203 |
1 |
0.074 |
3.504 |
0.888 |
13.832 |
|
>10 times |
0.896 |
0.863 |
1.077 |
1 |
0.299 |
2.449 |
0.451 |
13.295 |
|
Total insulin dose per day, unit |
0.004 |
0.006 |
0.421 |
1 |
0.517 |
1.004 |
0.992 |
1.015 |
|
Incorrect rotation |
3.023 |
0.367 |
67.797 |
1 |
0.000 |
20.561 |
10.011 |
42.226 |
|
Most recent HbAlc level |
0.035 |
0.058 |
0.363 |
1 |
0.547 |
1.036 |
0.924 |
1.162 |
|
Constant |
-4.991 |
0.901 |
30.716 |
1 |
0.000 |
0.007 |
|
|
Cox–Snell R2 = 32.l%; Nagelkerke R2 = 43.5%
Hosmer and Lemeshow test: χ2 = l0.65, df=8, P=0.223