Table 1.
Table 1 The number and percentage of missing values and number of unique values for each identifier in the Newborn Screening data and the INPC data
| Field Name | Newborn Screening Data (N = 51,361) |
INPC Data (N = 80,089) |
||||
|---|---|---|---|---|---|---|
| Number of Missing Values(Percentage) | Number of Unique Values | Number of Missing Values (Percentage) | Number of Unique Values | |||
| MRN | 557 | (2.0%) | 44,366 | 106 | (0.1%) | 18,794 |
| Telephone Number | 2,580 | (5.0%) | 42,693 | 20,806 | (26.0%) | 14,542 |
| Surname | 1 | (< 0.1%) | 17,115 | 2,352 | (2.9%) | 9,008 |
| Kin's surname | 49 | (0.1%) | 16,792 | 46,584 | (58.2%) | 7,131 |
| Kin's given name | 196 | (0.4%) | 6,983 | 46,676 | (58.3%) | 3,746 |
| Given name | 29,441 | (57.3%) | 5,299 | 45,243 | (56.5%) | 6,255 |
| Doctor's surname | 43 | (0.1%) | 2,047 | 22,386 | (28.0%) | 1,390 |
| Doctor's given name | 892 | (1.7%) | 971 | 21,304 | (26.6%) | 1,417 |
| Zip code | 679 | (1.3%) | 1,256 | 15,999 | (20.0%) | 816 |
| Day of birth | 1 | (< 0.1%) | 31 | 3,826 | (4.8%) | 31 |
| mo of birth | 0 | (0.1%) | 6 | 3,826 | (4.8%) | 7 |
| Gender | 618 | (1.2%) | 2 | 3,920 | (4.9%) | 2 |
INPC = Indiana Network for Patient Care; MRN = medical record number.