Table 2.
Missing demographics data
| Demographic variable | Number of missing values | Percent missing |
|---|---|---|
| Age | 0 | 0 |
| Sex | 62 | 0 |
| Body mass index | 690 | 1 |
| Race | 4441 | 5 |
| Ethnicity | 3194 | 4 |
| Functional status | 540 | 1 |
Total number of patients = 88,471.
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