Table 10.
Adverse events related to treatment.
| Adverse eventa | Participant, No (%) | ||
|---|---|---|---|
| DN (n = 70) | SDN (n = 70) | CON (n = 70) | |
| Overall | 1 (1.43) | 2 (2.86) | 0 |
| Severe adverse events | 0 | 0 | 0 |
| Subcutaneous hematoma | 1 (1.43) | 1 (1.43) | 0 |
| Fainting | 0 | 0 | 0 |
| Sharp pain | 0 | 1 (1.43) | 0 |
| Instrument fracture | 0 | 0 | 0 |
| Sticking of needle | 0 | 0 | 0 |
a: Adverse events were analyzed in all participants who received treatment. Adverse events were counted by type rather than frequency in the same participant. Adverse events with different types occurring in a single participant were defined as independent adverse events. An adverse event with multiple occurrences in a single participant was defined as 1 adverse event. DN, dry needling; SDN, sham dry needling; CON, control.