Table 3.
Top 10 frequently observed concepts covered by both SNOMED CT and CHV.
| Rank | Tumblr | Yahoo! Answers | ||||
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Questions | Answers | |||
| Concept | Freq. | Concept | Freq. | Concept | Freq. | |
| 1 | Blood (C0005767) | 816 | Blood (C0005767) | 30,654 | Blood (C0005767) | 54,689 |
| 2 | Pain (C0030193) | 798 | Sugars (C0242209) | 29,593 | Sugars (C0242209) | 49,207 |
| 3 | Insulin (C0021641) | 744 | Insulin (C0021641) | 10,816 | Insulin (C0021641) | 27,887 |
| 4 | Pharmaceutical preparations (C0013227) | 719 | Glucose (C0017725) | 7394 | Glucose (C0017725) | 26,420 |
| 5 | Sugars (C0242209) | 699 | Problem (C0033213) | 5111 | Pharmaceutical preparations (C0013227) | 11,571 |
| 6 | Disease (C0012634) | 617 | Water (C0043047) | 4781 | Diseases (C0012634) | 9733 |
| 7 | Problem (C0033213) | 568 | Pharmaceutical preparations (C0013227) | 4456 | Carbohydrates (C0007004) | 9517 |
| 8 | Diabetes mellitus (C0011849) | 501 | Hematologic tests (C0018941) | 3784 | Problem (C0033213) | 9248 |
| 9 | Teeth structure (C0040426) | 424 | Pain (C0030193) | 3625 | Water (C0043047) | 5994 |
| 10 | Operative surgery procedures (C0543467) | 375 | Urine (C0042036) | 2550 | Fasting (C0015663) | 5848 |