No. | 27 | 50 | 27 | |
Mean age (yr) | 64.8 ± 8.6 (47–77) | 66.5 ± 6.7 (54–81) | 64.7 ± 8.5 (47–77) | .521b |
Male/female ratio | 13:14 | 23:27 | 11:16 | .850c |
Mean disease duration (yr) | 4.7 ± 2.9 | 7.8 ± 5.0 | NA | .010d |
H&Y scale | 2.85 ± 0.72 | 1.95 ± 0.57 | NA | <.001d |
No. of patients with asymmetric presentation | 17 | 10 | NA | <.001c |