16 March 2021: Original Paper
Use of Imputation and Decision Modeling to Improve Diagnosis and Management of Patients at Risk for New-Onset Diabetes After Transplantation
Vidit N. Munshi 1ACDEF* , Soroush Saghafian 2AEG , Curtiss B. Cook 3BE , Sumhith Veda Aradhyula 2C , Harini A. Chakkera 4BEDOI: 10.12659/AOT.928624
Ann Transplant 2021; 26:e928624
Table 2 Observed and imputed HbA1c, FBG, and insulin use at 1, 4, and 12 months after transplant for liver transplantation patients who did not have pre-transplant DM.
| Variable | Observed data | Imputed/perfect collection | ||||
|---|---|---|---|---|---|---|
| n | Missing values | Mean* | n | Missing values | Mean* | |
| 1-month HbA1c | 33 | 204 | 5.5/37 | 237 | 0 | 5.4/36 |
| 4-month HbA1c | 161 | 76 | 5.5/37 | 237 | 0 | 5.5/37 |
| 12-month HbA1c | 142 | 95 | 5.7/39 | 237 | 0 | 5.6/38 |
| 1-month FBG | 226 | 11 | 100/5.6 | 237 | 0 | 100/5.6 |
| 4-month FBG | 223 | 14 | 105/5.8 | 237 | 0 | 105/5.8 |
| 12-month FBG | 208 | 29 | 111/6.2 | 237 | 0 | 111/6.2 |
| On insulin at 1 month | 237 | 0 | 51.1% | 237 | 0 | 51.1% |
| On insulin at 4 months | 237 | 0 | 33.8% | 237 | 0 | 33.8% |
| On insulin at 12 months | 237 | 0 | 21.5% | 237 | 0 | 21.5% |
| * Displayed as (%/mmol per mol) for HbA1c and (mg per dl/mmol per l) for FBG. 95% confidence intervals not displayed, but were the same between observed and imputed variables | ||||||