Table 3. Prevalence of iron deficiency according to subtype.
| Variables | All (N = 461) | Men (n = 285) | Women (n = 176) | P value | ||
|---|---|---|---|---|---|---|
| Overall | 248 (53.8) | 135 (47.3) | 115 (65.3) | < 0.001 | ||
| Age, yr | ||||||
| < 50 (n = 60) | 33 (55.0) | 24 (50.0) | 9 (75.0) | 0.120 | ||
| ≥ 50 (n = 401) | 215 (53.6) | 109 (46.0) | 106 (64.6) | < 0.001 | ||
| P value | 0.951 | 0.612 | 0.547 | |||
| < 65 (n = 168) | 88 (52.4) | 60 (46.2) | 28 (73.7) | 0.003 | ||
| ≥ 65 (n = 293) | 160 (54.6) | 73 (47.1) | 87 (63.0) | 0.006 | ||
| P value | 0.716 | 0.874 | 0.222 | |||
| Body mass index, kg/m2 (n = 291) | ||||||
| < 20 (n = 42) | 22 (52.4) | 14 (51.9) | 8 (53.3) | 0.927 | ||
| ≥ 20 (n = 249) | 144 (57.8) | 71 (49.3) | 73 (69.5) | 0.001 | ||
| P value | 0.623 | 0.808 | 0.244 | |||
| < 23 (n = 118) | 70 (59.3) | 35 (54.7) | 35 (64.8) | 0.265 | ||
| ≥ 23 (n = 173) | 96 (55.5) | 50 (46.7) | 46 (69.7) | 0.003 | ||
| P value | 0.598 | 0.314 | 0.570 | |||
| < 25 (n = 177) | 103 (58.2) | 54 (52.4) | 49 (66.2) | 0.067 | ||
| ≥ 25 (n = 114) | 63 (55.3) | 31 (45.6) | 32 (69.6) | 0.012 | ||
| P value | 0.710 | 0.381 | 0.703 | |||
| Natriuretic peptide (n = 459) | ||||||
| < Median (n = 229) | 122 (53.3) | 62 (43.4) | 60 (69.8) | < 0.001 | ||
| ≥ Median (n = 230) | 124 (53.9) | 69 (49.3) | 55 (61.1) | 0.105 | ||
| P value | 0.965 | 0.378 | 0.295 | |||
Values are expressed as number (%).