Table 4. Prevalence ratios (PRs) of discharge diagnosis codes according to ICD-10 chapters.
| Disease category | BMI <18.5 kg/m2 N = 3701 |
BMI 18.5 to 25 kg/m2 N = 38446 |
BMI 25 to 30 kg/m2 N = 31093 |
BMI 30 to 35 kg/m2 N = 12810 |
BMI 35 to 40 kg/m2 N = 4048 |
BMI > 40 kg/m2 N = 1929 |
|---|---|---|---|---|---|---|
| Infectious diseases including pneumonia | 1.1 (0.9–1.3) | Ref. | 0.9 (0.9–1.0) | 1.0 (0.9–1.1) | 1.3 (1.1–1.5) | 1.8 (1.5–2.2) |
| Neoplasms | 1.3 (1.2–1.4) | Ref. | 0.9 (0.8–0.9) | 0.8 (0.7–0.8) | 0.7 (0.6–0.7) | 0.6 (0.4–0.7) |
| Hematological diseases | 1.5 (1.2–1.9) | Ref. | 0.9 (0.8–1.0) | 1.1 (0.9–1.2) | 1.1 (0.9–1.5) | 1.1 (0.7–1.5) |
| Endocrine, nutritional and metabolic disorders | 1.4 (1.2–1.6) | Ref. | 1.0 (0.9–1.0) | 1.3 (1.2–1.5) | 1.8 (1.6–2.1) | 2.8 (2.4–3.1) |
| Mental and behavioral disorders | 1.6 (1.3–2.1) | Ref. | 0.8 (0.7–0.9) | 0.7 (0.6–0.9) | 0.6 (0.4–0.9) | 0.4 (0.2–0.8) |
| Diseases of the nervous system | 1.0 (0.9–1.1) | Ref. | 1.1 (1.0–1.1) | 1.2 (1.1–1.3) | 1.2 (1.1–1.4) | 1.3 (1.1–1.5) |
| Diseases of the eye and adnexa | 1.0 (0.9–1.3) | Ref. | 1.0 (0.9–1.1) | 1.1 (1.0–1.2) | 1.2 (1.0–1.4) | 1.5 (1.2–1.8) |
| Diseases of the ear and mastoid process | 0.9 (0.7–1.2) | Ref. | 1.0 (0.9–1.1) | 0.9 (0.8–1.0) | 0.9 (0.7–1.2) | 0.6 (0.4–1.0) |
| Diseases of the circulatory system | 0.7 (0.7–0.8) | Ref. | 1.3 (1.3–1.3) | 1.3 (1.3–1.4) | 1.3 (1.2–1.3) | 1.1 (1.0–1.2) |
| Diseases of the respiratory system | 2.0 (1.8–2.1) | Ref. | 0.8 (0.8–0.9) | 0.9 (0.8–0.9) | 1.0 (0.9–1.1) | 1.1 (1.0–1.3) |
| Diseases of the digestive system | 1.0 (0.9–1.1) | Ref. | 1.0 (1.0–1.1) | 1.1 (1.1–1.2) | 1.1 (1.0–1.2) | 1.1 (1.0–1.3) |
| Diseases of the skin and subcutaneous tissue | 0.7 (0.5–0.9) | Ref. | 1.2 (1.1–1.3) | 1.4 (1.3–1.6) | 1.7 (1.5–2.0) | 2.0 (1.6–2.4) |
| Diseases of the musculoskeletal system and connective tissue | 1.0 (0.8–1.1) | Ref. | 1.1 (1.0–1.1) | 1.2 (1.1–1.3) | 1.3 (1.1–1.4) | 1.1 (1.0–1.3) |
| Diseases of the genitourinary system | 0.9 (0.8–1.0) | Ref. | 1.0 (0.9–1.0) | 1.0 (0.9–1.1) | 1.1 (1.0–1.2) | 1.2 (1.1–1.5) |
| Pregnancy, childbirth and the puerperium | 0.5 (0.4–0.8) | Ref. | 0.6 (0.5–0.7) | 0.7 (0.6–0.8) | 0.9 (0.7–1.2) | 1.1 (0.8–1.5) |
| Conditions originating in the perinatal period | 0.0 (.-.) | Ref. | 2.5 (0.2–27.3) | 0.0 (.-.) | 0.0 (.-.) | 0.0 (.-.) |
| Congenital malformations, deformations and chromosomal abnormalities | 1.4 (0.9–2.2) | Ref. | 0.7 (0.5–0.8) | 0.8 (0.6–1.2) | 1.2 (0.8–1.9) | 0.7 (0.3–1.6) |
| Symptoms, signs and abnormal clinical and laboratory findings | 1.0 (0.9–1.1) | Ref. | 1.0 (1.0–1.0) | 1.0 (1.0–1.0) | 1.0 (0.9–1.1) | 0.9 (0.8–1.0) |
| Injury and poisoning | 0.9 (0.8–1.0) | Ref. | 0.8 (0.8–0.8) | 0.7 (0.7–0.8) | 0.7 (0.6–0.7) | 0.7 (0.6–0.8) |
| External causes of morbidity and mortality | 3.8 (1.2–11.9) | Ref. | 1.6 (0.7–3.5) | 1.1 (0.3–3.4) | 0.9 (0.1–6.7) | 0.0 (.-.) |