Table 2.

Comparison of clinical parameters pre-operatively and 12 months post-operatively in both groups and between groups.

Parameter	Group 1			Group 2
	Pre-op	Post-op at 12 months	p value	Pre-op	Post-op at 12 months	p value	p value**
VAS score, mean ± SD	7.3 ± 0.3	1.7 ± 1.98	.001	7.9 ± 0.3	1.9 ± 0.6	.001	.731
DASH score, mean ± SD	72.1 ± 4.1	34.2 ±5.2	.001	70.6 ±4.1	23.9 ± 5.1	.001	.268
Constant Score, mean ± SD	44.1 ± 3.2	76.9 ± 2.6	.001	38.7 ± 3.0	77.3 ± 2.5	.001	.910

Group 1: vented anchors; Group 2: solid anchors; SD: standard deviation.

^*According to Wilcoxon test (p < .05 indicates statistical significance).

^**p value of final results between Group 1 and Group 2.