Table 3.
Comparison of hemoglobin and ferritin concentrations between Zimbabwean blacks and African-Americans by age and sex
| Samples | Hemoglobin (g/dL) | Ferritin (μg/L) | |
|---|---|---|---|
| Men 30–49 | |||
| Zimbabwean | 114 | 15.2 (14.4–16.1) | 86 (56–126) |
| American | 387 | 14.6 (14.0–15.3)a | 157 (93–263) |
| P | <0.0001 | <0.0001 | |
| Men 50+ | |||
| Zimbabwean | 80 | 14.5 (13.5–15.4) | 84 (61–127) |
| American | 436 | 13.9 (13.1–14.8)b | 173 (94–301) |
| P | 0.002 | <0.0001 | |
| Women 50+ | |||
| Zimbabwean | 256 | 13.5 (12.8–14.3) | 73 (39–109) |
| American | 557 | 12.8 (12.1–13.4)c | 130 (72–210) |
| P | <0.0001 | <0.0005 | |
Results are presented as median and interquartile range
a
n = 380
b
n = 431
c
n = 554