Research Article

Herbal Medicine Prescriptions for Functional Dyspepsia: A Nationwide Population-Based Study in Korea

Table 2

Frequent comorbidities associated with functional dyspepsia.

Diagnosis codeN%

M (diseases of the musculoskeletal system and connective tissue)M545 (low back pain)3,225,05926.64
M791 (myalgia)1,390,26711.48
M626 (muscle strain)1,118,5749.24
M255 (pain in joint)870,2027.19
M544 (lumbago with sciatica)692,0765.72
Subtotal12,420,825

R (symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified)R101 (pain localized to the upper abdomen)796,84833.10
R51 (headache)360,32714.97
R42 (dizziness and giddiness)291,31112.10
R104 (other and unspecified abdominal pain)223,7029.29
R05 (cough)116,0304.82
Subtotal2,479,230

S (injury, poisoning, and other consequences from external causes)S335 (sprain and strain of the lumbar spine)435,07120.59
S934 (sprain and strain of the ankle)206,3989.77
S836 (sprain and strain of other and unspecified parts of the knee)205,8739.74
S337 (sprain and strain of other and unspecified parts of lumbar spine and pelvis)203,0429.61
S434 (sprain and strain of the shoulder joint)198,7159.40
Subtotal2,137,678

U (codes for special purposes)U303 (neck-stiffness disorder)215,16212.49
U680 (spleen qi-deficiency pattern)134,7507.82
U234 (sequela of wind-stroke disorder)115,6266.71
U238 (joint impediment disorders)96,8775.62
U280 (Food-retention disorder)90,5715.26
Subtotal1,757,326

G (diseases of the nervous system)G442 (tension-type headache)182,19919.00
G439 (migraine, unspecified)132,42413.81
G470 (disorders of initiating and maintaining sleep (insomnias))125,02913.04
G510 (Bell’s palsy)89,1179.29
G438 (other migraine)56,5055.89
Subtotal977,695

J (diseases of the respiratory system)J00 (acute nasopharyngitis (common cold))549,19570.09
J310 (chronic rhinitis)56,6177.23
J069 (acute upper respiratory infection, unspecified)29,1353.72
J304 (allergic rhinitis, unspecified)27,9113.56
J303 (other allergic rhinitis)16,3102.08
Subtotal847,865

K (diseases of the digestive system)K590 (constipation)99,55527.43
K591 (functional diarrhea)60,01816.54
K297 (gastritis, unspecified)31,7708.75
K210 (gastroesophageal reflux disease with esophagitis)22,2016.12
K076 (temporomandibular joint disorders)17,0044.69
Subtotal380,691