Table 1.
Demographic and health characteristics of women, aged ≥65 years, in the Women's Health and Aging Study I in Baltimore, MD, with and without anaemia
| Anaemic (n = 128) | Not anaemic (n = 391) | |||||
|---|---|---|---|---|---|---|
| Characteristicsa | n | % or median (25th, 75th percentile) | n | % or median (25th, 75th percentile) | P | |
| Age (years) | 128 | 77.0 (71.0, 84.5) | 391 | 75.0 (70.0, 83.0) | 0.12 | |
| Race | White | 65 | 50.8 | 301 | 77.0 | <0.0001 |
| Other | 63 | 49.2 | 90 | 23.0 | ||
| Education <12 years | 90 | 70.9 | 233 | 59.7 | 0.02 | |
| Current smoker | 7 | 5.5 | 50 | 12.8 | 0.03 | |
| Body mass index (kg/m2) | <18.5 | 5 | 4.3 | 11 | 3.1 | 0.36 |
| 18.5–24.9 | 22 | 18.8 | 95 | 26.8 | ||
| 25.0–29.9 | 44 | 37.6 | 119 | 33.6 | ||
| ≥30 | 46 | 39.3 | 129 | 36.4 | ||
| Serum CML (μg/mL) | 128 | 0.59 (0.46, 0.76) | 387 | 0.54 (0.44, 0.65) | 0.0018 | |
| Serum sRAGE (ng/mL) | 127 | 1.26 (0.89, 1.93) | 385 | 1.20 (0.86, 1.63) | 0.14 | |
| Serum esRAGE (ng/mL) | 127 | 0.38 (0.25, 0.50) | 391 | 0.34 (0.24, 0.44) | 0.06 | |
| Mini-Mental Status Exam score <24 (%) | 29 | 22.7 | 51 | 13.0 | 0.03 | |
| Hypertension (%) | 87 | 68.0 | 213 | 54.6 | 0.008 | |
| Angina (%) | 25 | 19.5 | 87 | 22.2 | 0.52 | |
| Congestive heart failure (%) | 16 | 12.5 | 32 | 8.2 | 0.14 | |
| Peripheral artery disease (%) | 35 | 27.3 | 69 | 17.7 | 0.17 | |
| Stroke (%) | 7 | 5.5 | 17 | 4.4 | 0.6 | |
| Diabetes mellitus (%) | 33 | 25.8 | 45 | 11.5 | <0.0001 | |
| Chronic obstructive pulmonary disease (%) | 23 | 18.0 | 12 | 32.7 | 0.001 | |
| Depression (%) | 22 | 17.2 | 53 | 13.6 | 0.31 | |
| Cancer (%) | 13 | 10.2 | 47 | 12.0 | 0.56 | |
| Renal insufficiency (%) | 77 | 60.2 | 191 | 49.1 | 0.03 | |
aMedian (25th, 75th percentile) for continuous variables or percent of participants with specific characteristic as noted.