Table 3 Baseline characteristics and outcome 12 months after acute hospitalization in patients with different anemia subtypes
No anemia | Explained anemia subtypes, n=275 | ||||
|---|---|---|---|---|---|
Renal anemiaa | Iron deficienyb | B12/folate deficiencyc | Multifactoriald | ||
N=474 | N=139 | N=55 | N=12 | N=69 | |
Age | 84 (6.0) | 86 (6.3) | 85 (6.0) | 83 (7.5) | 84 (6.0) |
Male sex | 119 (25 %) | 52 (37 %)** | 19 (35 %) | 8 (67 %)** | 35 (51 %)** |
Barthel index | 80 (60–90) | 75 (60–85) | 65 (55–83)** | 75 (70–80) | 80 (55–90) |
Diagnosis | |||||
hip fracture | 15 (3 %) | 10 (7 %) | 5 (9 %) | 3 (25 %) | 3 (4 %) |
other orthopaedic trauma | 144 (30 %) | 39 (28 %) | 20 (36 %) | 2 (17 %) | 10 (15 %) |
acute infection | 116 (25 %) | 37 (27 %) | 12 (22 %) | 2 (17 %) | 20 (29 %) |
heart disease | 68 (14 %) | 24 (18 %) | 8 (16 %) | 3 (20 %) | 15 (22 %) |
other medical diseases | 131 (28 %) | 29 (21 %) | 10 (19 %) | 3 (20 %) | 21 (30 %) |
Laboratory parameters | |||||
Hb, g/dL | 13.6 (1.1) | 11.0 (0.9)** | 10.8 (0.8)** | 11.5 (0.9)** | 11.0 (1.1)** |
MCV, fL | 94 (5.2) | 94 (5.3) | 91 (7.0)** | 94 (7.5) | 95 (5.2)* |
Vitamin B12, pmol/L | 471 (331–780) | 601 (403–841)** | 581 (393–765) | 282 (177–1009) | 541 (328–775) |
Folat, nmol/L | 16 (11–24) | 17 (12–27) | 19 (13–29) | 7 (6–11)** | 13 (8–19) |
Ferritin, μg/L | 179 (101–333) | 228 (119–400)* | 120 (45–201)** | 252 (175–424) | 168 (74–294) |
Transferrin receptor, ml/L | 3.3 (2.7–4.2) | 3.1 (2.5–3.6)* | 5.7 (4.8–6.9)** | 3.2 (3.0–3.7) | 5.2 (4.5–6.9)** |
CRP, mg/L | 13 (5–30) | 22 (9–48)** | 26 (14–57)** | 31 (22–78)** | 27 (12–64)** |
NTpro-BnP | 70 (28–188) | 294 (104–636)** | 110 (50–263)* | 86 (33–200) | 290 (55–963)** |
12 months follow up | |||||
> 2 hospital admissions | 124 (26 %) | 36 (39 %) | 21 (50 %)** | 2 (18 %) | 23 (41 %)* |
Dead | 74 (16 %) | 25 (21 %) | 12 (23 %) | 2 (18 %) | 16 (23 %) |