Table 3.
Comparison of Demographic and Clinical Characteristics Between the Study Groups a
| Variable | Control Group (n = 44) |
Deficiency Group (n = 45) |
P Value |
|---|---|---|---|
| Age, y | 60.61 ± 7.62 | 61.78 ± 7.29 | .463 b |
| Sex, male/female, n | 19/25 | 17/28 | .604 c |
| Body mass index, kg/m2 | 23.15 ± 2.76 | 23.95 ± 2.70 | .171 b |
| Diabetic, n | 4 | 5 | .752 c |
| Smoker, n | 10 | 9 | .754 c |
| Traumatic injury, yes/no, n | 26/18 | 23/22 | .449 c |
| Location, left/right, n | 13/31 | 12/33 | .763 c |
| Symptom duration, mo | 6.09 ± 6.96 | 5.37 ± 8.41 | .055 d |
| Tear size, cm | 1.91 ± 0.87 | 2.00 ± 0.85 | .644 b |
| Degree of fatty infiltration (Goutallier stage) | 1.20 ± 0.93 | 1.60 ± 0.96 | .052 b |
| Goutallier stage >2, n | 3 | 6 | .308 c |
| Extent of retraction, cm | 1.95 ± 0.97 | 2.07 ± 0.90 | .549 b |
| No. of anchors | 2.80 ± 0.98 | 2.56 ± 0.66 | .180 b |
| Serum vitamin D level, μg/L | 25.07 ± 5.38 | 14.61 ± 3.43 | <.001 b |
a Data are reported as mean ± SD unless otherwise noted. Boldface P value indicates statistical significance (P < .05).
b Independent-samples t test.
c Chi-square test.
d Nonparametric test.