Table 2.
Study population classified based on three variables (ethnicity, presence or absence of NEC and the study genotypes)
| PAFAH Genotypes | |||||
|---|---|---|---|---|---|
| Ethnicity | NEC | (1) | (2) | (3) | Total |
| Caucasian | Yes | 0 | 1 | 19 | 20 |
| Caucasian | No | 7 | 36 | 149 | 192 |
| African-American | Yes | 0 | 7 | 9 | 16 |
| African-American | No | 22 | 123 | 197 | 342 |
| Total | 29 | 167 | 374 | 570 | |
PAFAH Genotypes – (1) is 198 ThrThr + 379 ValVal (homozygous abnormal genotype), (2) is 198 IleThr + 379AlaVal (heterozygous abnormal genotype) and (3) is 198IleIle + 379AlaAla (homozygous normal genotype).