1.
上消化道异物引起的轻度并发症 [例(%)]
| 年龄 | n | 黏膜水肿糜烂 | 黏膜撕裂 |
| < 3岁 | 459 | 170(37.0) | 55(12.0) |
| ≥3岁 | 313 | 39(12.5) | 104(33.2) |
| χ2值 | 12.842 | 5.183 | |
| P值 | < 0.001 | 0.047 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.