Table 2.
Freqency of international classification of disease (ICD) categories investigated in systematic reviews of pediatric complementary and alternative medicine
| ICD category | N | % |
| Diseases of the nervous system and sense organs [6] | 13 | 27.7% |
| Mental disorders [5] | 12 | 25.5% |
| Diseases of the respiratory system [8] | 10 | 21.3% |
| Diseases of the musculoskeletal system and connective tissue [13] | 6 | 12.8% |
| Certain conditions originating in the perinatal period [15] | 6 | 12.8% |
| Diseases of the digestive system [9] | 5 | 10.6% |
| Intestinal infectious diseases [1] | 4 | 8.5% |
| Endocrine, nutritional and metabolic diseases and immunity disorders [3] | 4 | 8.5% |
| Diseases of the skin and subcutaneous tissue [12] | 4 | 8.5% |
| Neoplasm's (2) | 3 | 6.4% |
| Diseases of the circulatory system [7] | 2 | 4.3% |
| Injury and poisoning [17] | 2 | 4.3% |
| Complications of pregnancy, childbirth and the puerperium [11] | 1 | 2.1% |
| Symptoms, signs and ill-defined conditions [16] | 1 | 2.1% |
| Diseases of the blood and blood-forming organs [4] | 0 | 0.0% |
| Diseases of the genitourinary system [10] | 0 | 0.0% |
| Congenital anomalies [14] | 0 | 0.0% |
| Supplemental classification of external causes of injury and poisoning [18] | 0 | 0.0% |
| Supplementary classification of factors influencing health status and contact with health services [19] | 0 | 0.0% |