Single-Needle Arthrocentesis with Upper Compartment Distension versus Conventional Two-Needle Arthrocentesis: Randomized Clinical Trial

Table 1

Frequency distribution, means, and confidence intervals of the descriptive variables of the sample.

Variables	Group 1N ()	Group 2N ()
Gender
Female	9 (69.30%)	13 (100%)
Male	4 (30.70%)	0 (0.00%)
Side of the complaint
Right	6 (46.15%)	5 (38.46%)
Left	7 (53.85%)	8 (61.54%)
Age (years)	42.1 (32.8–51.5)	39 (29.5–48.4)
Pain duration (months)	69.5 (14.9–124.1)	51.2 (11.3–91.1)