Table 4 Final diagnoses of patients referred to the General Medicine Department (n = 408)
From: Investigation of diseases that cause diagnostic difficulty for Japanese general physicians
| ICPC-2 | Diagnosis | Referred by general physicians | Referred by other physicians | |
|---|---|---|---|---|
| n (%) | n (%) | P value | ||
| A. General & Unspecified | Unspecified viral infectious disease | 9 (5.3) | 4 (1.7) | 0.047 |
| Conditions within the normal range | 8 (4.7) | 10 (4.2) | 0.811 | |
| Adverse reactions to medical products | 8 (4.7) | 3 (1.3) | 0.058 | |
| Infectious mononucleosis | 3 (1.8) | 1 (0.4) | 0.070 | |
| Other | 7 (4.1) | 8 (3.3) | 0.791 | |
| B. Blood, Blood Forming Organs & Immune Mechanism | Acute lymphadenitis | 4 (2.4) | 4 (1.7) | 0.498 |
| Adult Still’s disease | 0 (0) | 3 (1.3) | 0.270 | |
| Other | 7 (4.1) | 4 (1.7) | 0.213 | |
| D. Digestive | Reflux esophagitis | 3 (1.8) | 3 (1.3) | 0.695 |
| Acute gastroenteritis | 1 (0.6) | 3 (1.3) | 0.645 | |
| Other | 16 (9.5) | 16 (6.7) | 0.351 | |
| H. Ear | Benign paroxysmal positional vertigo | 3 (1.8) | 3 (1.3) | 0.695 |
| Other | 3 (1.8) | 3 (1.3) | 0.695 | |
| K. Cardiovascular | Cerebrovascular disease | 0 (0) | 4 (1.7) | 0.145 |
| Other | 6 (3.6) | 10 (4.2) | 0.802 | |
| L. Musculoskeletal | Cervical spondylosis deformans | 3 (1.8) | 4 (1.7) | 1.000 |
| Rheumatoid arthritis | 1 (0.6) | 3 (1.3) | 0.645 | |
| Other | 17 (10.1) | 22 (9.2) | 0.865 | |
| N. Neurological | Other | 10 (5.9) | 18 (7.5) | 0.558 |
| P. Psychological | Anxiety disorder | 9 (5.3) | 10 (4.2) | 0.638 |
| Mood disorder | 6 (3.6) | 14 (5.9) | 0.356 | |
| Adjustment disorder | 5 (3.0) | 6 (2.5) | 0.767 | |
| Somatoform disorder | 4 (2.4) | 19 (7.9) | 0.016 | |
| Delusional disorder | 1 (0.6) | 4 (1.7) | 0.409 | |
| Hypochondria | 0 (0 ) | 6 (2.5) | 0.044 | |
| Other | 6 (3.6) | 10 (4.2) | 0.802 | |
| R. Respiratory | Cough variant asthma | 0 (0) | 3 (1.3) | 0.270 |
| Other | 11 (6.5) | 7 (2.9) | 0.092 | |
| S. Skin | Cellulitis | 1 (0.6) | 5 (2.1) | 0.408 |
| Stasis dermatitis | 0 (0) | 3 (1.3) | 0.270 | |
| Other | 2 (1.2) | 2 (0.8) | 1.000 | |
| T. Endocrine/Metabolic & Nutritional | Graves’ disease | 3 (1.8) | 2 (0.8) | 0.653 |
| Other | 5 (3.0) | 6 (2.5) | 0.767 | |
| U. Urological | Pyelonephritis | 0 (0) | 4 (1.7) | 0.145 |
| Other | 2 (1.2) | 2 (0.8) | 1.000 | |
| X. Female Genital (including breasts) | Other | 3 (1.8) | 4 (1.7) | 1.000 |
| Z. Social Problems | Other | 0 (1.4) | 3 (1.3) | 0.270 |
| Other | Uncertain diagnosis | 2 (1.2) | 3 (1.3) | 1.000 |