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.
Comparison of incidence of complications between the two groups
| Group | Observation Group (n = 63) | Control group (n = 61) | χ2 | P |
|---|---|---|---|---|
| Pulmonary infection | 2 | 6 | 0.5 | 0.11 |
| Pulmonary heart and brain disease | 0/0.00 | 0/0.00 | - | - |
| Atelectasis | 0/0.00 | 0/0.00 | - | - |
| Pneumothorax | 0/0.00 | 0/0.00 | - | - |
| Total incidence rate | 2 | 6 | 0.5 | 0.11 |
