Table 3 Gamma regression model factors influencing annual total health care costs: migraine, sex and age were preset, comorbidities selected by the Bayesian Information Criterion (BIC). Exponents can be interpreted as multiplicative cost factors. Estimates with p < 0.05 are printed in bold
From: Total health insurance costs in children with a migraine diagnosis compared to a control group
Exponents of the coefficients | |
|---|---|
Intercept | 134.16 |
Migraine | 1.16 |
Sex: Girls | 0.88 |
Age | 1.00 |
Comorbidities | |
Certain infectious and parasitic diseases | 1.14 |
Neoplasms (A, B) | 1.10 |
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D90) | 1.16 |
Endocrine, nutritional and metabolic diseases (E) | 1.40 |
Mental and behavioural disorders (F) | 3.24 |
Diseases of the nervous system (Ga) | 1.88 |
Diseases of the eye and adnexa (H00-H59) | 1.32 |
Diseases of the ear and mastoid process (H60-H95) | 1.22 |
Diseases of the circulatory system (I) | 1.26 |
Diseases of the respiratory system (J) | 1.30 |
Diseases of the digestive system (K) | 1.24 |
Diseases of the skin and subcutaneous tissue (L) | 1.13 |
Diseases of the musculoskeletal system and connective tissue (M) | 1.28 |
Diseases of the genitourinary system (N) | 1.11 |
Congenital malformations, deformations and chromosomal abnormalities (Q) | 1.35 |
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (Rb) | 1.24 |
Injury, poisoning and certain other consequences of external causes (S, T) | 1.39 |
Codes for special purposes (U) | 1.64 |
Factors influencing health status and contact with health services (Z) | 1.22 |