| # of Chinese characters per query | 254 |
| # of Chinese characters per need (annotated) | 15 |
| # of medical needs per query(annotated) | 1.92 |
| # of emotional needs per query (annotated) | 1.64 |
| # of medical needs related context per query (annotated) | 3.68 |
| # of emotional needs related context per query (annotated) | 1.65 |