Relative Prevalence and Associated Factors of Complex Regional Pain Syndrome Type I in Patients with Radial Head Fractures Treated with Open Reduction and Internal Fixation: A Cross-Sectional Study

Table 1

Demographic characteristics of CRPS I Patients.

Characteristics	Sample size	Mean	Standard deviation	95% CI	Minimum	First quartile	Median	Third quartile	Maximum
Age (year)	28.0	41.0	7.6	(38.1, 44.0)	24.0	36.3	40.0	47.0	58.0
The time from fracture to surgery (day)	28.0	5.7	1.2	(5.3, 6.2)	4.0	5.0	6.0	7.0	8.0
Body mass index (kg/m^2)	28.0	22.6	3.0	(21.4, 23.7)	17.0	21.0	22.0	24.8	30.0
VAS	28.0	17.1	3.3	(15.8, 18.4)	11.0	14.3	17.0	19.8	23.0
QuickDASH	28.0	30.0	7.6	(27.0, 32.9)	17.0	23.6	30.9	36.1	49.0
SF-36 physical	28.0	51.5	3.4	(50.2, 52.8)	45.0	49.0	51.6	54.1	58.0
SF-36 mental	28.0	54.4	5.5	(52.3, 56.5)	46.0	50.0	53.5	58.8	68.0
PREE pain	28.0	32.1	7.2	(29.3, 34.9)	18.0	28.3	32.0	38.3	46.0
PREE function	28.0	25.6	4.7	(23.8, 27.4)	15.0	23.0	25.5	29.8	33.0
PREE	28.0	57.7	9.0	(54.2, 61.2)	42.0	51.0	57.0	64.0	74.0
Anxiety	28.0	7.0	2.2	(6.2, 7.9)	1.0	6.0	7.0	8.0	11.0
Depression	28.0	7.8	1.7	(7.1, 8.4)	6.0	7.0	8.0	12.0	12.0