Prednisone for Acute Complex Regional Pain Syndrome: A Retrospective Cohort Study

Table 3

Patient demographics and relevant variables collected for the retrospective cohort.

Variable	Duration or proportion
Average age	51.5 ± 18.7 years [11–85 years]
Female sex	66.7%
Inciting trigger (fracture)	41.0%
Inciting trigger (idiopathic)	25.6%
Inciting trigger (surgery)	12.8%
Inciting trigger (trauma)	12.8%
CRPS in upper extremity	74.4%
CRPS right side unilateral	48.7%
CRPS left side unilateral	43.6%
CRPS bilateral	7.7%
CRPS type I	79.5%
Fulfilled Budapest research criteria	59.0%
Mean duration of prednisone therapy	27.2 ± 5.3 days
Mean duration of CRPS onset to start of prednisone treatment	80.8 ± 67.7 days
Mean duration between initial and final visit	116.4 ± 159.1 days