Table 1 Diseases with significant decreases in outpatient visits
From: Research note changes in the number of outpatient visits in Japan during the COVID-19 pandemic
ICD10 | Name of Disease | Average number of outpatient visits in one day (per million) | Proportion of decrease from 2019 to 2020 (%) | |
|---|---|---|---|---|
2019 | 2020 | |||
K64 | Hemorrhoids and perianal venous thrombosis | 610 | 145 | 76.17 |
J10 | Influenza due to other identified influenza virus | 313 | 91 | 71.08 |
J11 | Influenza, virus not identified | 156 | 49 | 68.85 |
Q61 | Cystic kidney disease | 305 | 100 | 67.38 |
L27 | Dermatitis due to substances taken internally | 277 | 102 | 63.23 |
B08 | Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified | 111 | 53 | 52.06 |
K30 | Functional dyspepsia | 200 | 107 | 46.70 |
J20 | Acute bronchitis | 1,960 | 1,063 | 45.78 |
J04 | Acute laryngitis | 140 | 81 | 41.80 |
J06 | Acute upper respiratory infections of multiple and unspecified sites | 2,300 | 1,379 | 40.03 |
J40 | Bronchitis, not specified as acute or chronic | 494 | 302 | 38.91 |
J01 | Acute sinusitis | 595 | 371 | 37.74 |
J03 | Acute tonsillitis | 332 | 210 | 36.96 |
J02 | Acute pharyngitis | 1,200 | 757 | 36.91 |
H66 | Suppurative and unspecified otitis media | 290 | 185 | 36.35 |
I67 | Other cerebrovascular diseases (dissection of cerebral arteries [non-ruptured], cerebral aneurysm [non-ruptured], cerebral atherosclerosis, etc.) | 478 | 306 | 36.00 |
J00 | Acute nasopharyngitis (common cold) | 647 | 423 | 34.71 |
H65 | Nonsuppurative otitis media | 244 | 171 | 29.97 |
J18 | Bronchopneumonia, unspecified | 238 | 168 | 29.58 |
J32 | Chronic sinusitis | 881 | 677 | 23.17 |
R50 | Fever of other and unknown origin | 225 | 173 | 23.06 |
A09 | Other gastroenteritis and colitis of infectious and unspecified origin | 1,368 | 1,061 | 22.46 |
E86 | Volume depletion | 495 | 386 | 21.96 |
A49 | Bacterial infection of unspecified site | 367 | 292 | 20.24 |
J45 | Asthma | 2,617 | 2,097 | 19.87 |
J31 | Chronic rhinitis, nasopharyngitis and pharyngitis | 231 | 191 | 17.38 |
J30 | Vasomotor and allergic rhinitis | 4,952 | 4,100 | 17.22 |
H61 | Other disorders of external ear (Perichondritis of external ear, non-infective disorders of pinna, impacted cerumen, etc.) | 268 | 225 | 16.10 |
R11 | Nausea and vomiting | 622 | 544 | 12.49 |
H60 | Otitis externa | 392 | 344 | 12.33 |
H10 | Conjunctivitis | 2,504 | 2,210 | 11.71 |
K12 | Stomatitis and related lesions | 418 | 379 | 9.53 |
K25 | Gastric ulcer | 1,873 | 1,705 | 8.95 |
M47 | Spondylosis | 3,051 | 2,792 | 8.50 |
H26 | Other cataract (infantile, juvenile, and presenile cataract; traumatic cataract; drug-induced cataract; etc.) | 961 | 880 | 8.46 |
T14 | Injury of unspecified body region | 1,005 | 922 | 8.28 |
M17 | Gonarthrosis (arthrosis of knee) | 3,173 | 2,911 | 8.24 |
H53 | Visual disturbances | 416 | 382 | 8.18 |
K29 | Gastritis and duodenitis | 5,760 | 5,290 | 8.15 |
G62 | Other polyneuropathies (drug-induced polyneuropathy, alcoholic polyneuropathy, etc.) | 1,626 | 1,498 | 7.91 |
M48 | Other spondylopathies (spinal stenosis, ankylosing hyperostosis, kissing spine, etc.) | 1,771 | 1,636 | 7.59 |
H52 | Disorders of refraction and accommodation | 2,688 | 2,491 | 7.34 |
I63 | Cerebral infarction | 960 | 890 | 7.32 |
R42 | Dizziness and giddiness | 913 | 848 | 7.08 |
M81 | Osteoporosis without pathological fracture | 3,554 | 3,307 | 6.96 |
M53 | Other dorsopathies, not elsewhere classified (cervicocranial syndrome, cervicobrachial syndrome, spinal instabilities, etc.) | 1,009 | 940 | 6.89 |
I69 | Sequelae of cerebrovascular disease | 716 | 669 | 6.56 |
M75 | Shoulder lesions | 1,950 | 1,822 | 6.55 |
H16 | Keratitis | 745 | 697 | 6.40 |
M51 | Other intervertebral disc disorders (lumbar and other intervertebral disc disorders with myelopathy or radiculopathy, other specified intervertebral disc displacement, etc.) | 867 | 812 | 6.35 |
I20 | Angina pectoris | 1,972 | 1,848 | 6.27 |
R51 | Headache | 855 | 802 | 6.22 |
G98 | Other disorders of nervous system, not elsewhere classified | 766 | 718 | 6.19 |
L50 | Urticaria | 578 | 543 | 6.00 |
M54 | Dorsalgia | 4,344 | 4,084 | 5.98 |
I49 | Other cardiac arrhythmias (ventricular fibrillation and flutter, atrial premature depolarization, sick sinus syndrome, etc.) | 930 | 875 | 5.95 |
M13 | Other arthritis (polyarthritis [unspecified], monoarthritis [not elsewhere classified], etc.) | 643 | 606 | 5.86 |
E14 | Unspecified diabetes mellitus | 3,170 | 2,984 | 5.86 |
I70 | Atherosclerosis | 1,176 | 1,107 | 5.81 |
J42 | Unspecified chronic bronchitis | 823 | 782 | 4.99 |
G47 | Sleep disorders | 4,505 | 4,309 | 4.35 |
M79 | Other soft tissue disorders, not elsewhere classified (rheumatism [unspecified], myalgia, fibromyalgia, etc.) | 1,372 | 1,314 | 4.24 |
I10 | Essential (primary) hypertension | 8,747 | 8,400 | 3.97 |
L30 | Other dermatitis (nummular dermatitis, dyshidrosis [pompholyx], cutaneous autosensitization, etc.) | 3,171 | 3,046 | 3.92 |
K76 | Other diseases of liver (fatty [change of] liver [not elsewhere classified], chronic passive congestion of liver, central hemorrhagic necrosis of liver, infarction of liver, etc.) | 1,693 | 1,628 | 3.85 |
F41 | Other anxiety disorders (panic disorder [episodic paroxysmal anxiety], generalized anxiety disorder, mixed anxiety and depressive disorder, etc.) | 1,050 | 1,012 | 3.62 |
B35 | Dermatophytosis | 1,213 | 1,170 | 3.54 |
N40 | Hyperplasia of prostate | 1,040 | 1,005 | 3.34 |
E78 | Disorders of lipoprotein metabolism and other lipidaemias | 6,633 | 6,413 | 3.33 |
K59 | Other functional intestinal disorders (constipation, functional diarrhea, neurogenic bowel [not elsewhere classified], etc.) | 4,985 | 4,836 | 2.99 |
K21 | Gastro-esophageal reflux disease | 4,639 | 4,533 | 2.29 |