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.
Complication rates in the two groups
| Classification | Observation group (n = 100) | Control group (n = 64) | X2 | P |
|---|---|---|---|---|
| Headache | 2 (2.00) | 6 (9.38) | ||
| Shoulder pain | 1 (1.00) | 4 (6.25) | ||
| Shoulder joint movement dysfunction | 0 (0.00) | 4 (6.25) | ||
| Amyotrophy | 0 (0.00) | 2 (3.12) | ||
| Complication rate (%) | 3 (3.00) | 16 (25.00) | 18.44 | < 0.001 |
