| 
      
        | Tests | ET patients Mean  ±  SD (N=30) | Controls Mean  ±  SD (N=30) | Degrees of freedom (df) | Z | P Value | Effect Size Cohen’s d |  
        | HADS-A | 9.23  ±  3.81 | 3.97  ±  1.75 | 29 | -4.450 | p < 0.001 | 1.91 |  
        | HADS-D | 8.30  ±  3.36 | 4.03  ±  1.56 | 29 | -4.280 | p < 0.001 | 1.77 |  
        | QOL   Physical | 11.93  ±  1.89 | 16.07  ±  1.25 | 29 | -4.709 | p < 0.001 | 2.71 |  
        | QOL Psychological
 | 11.93  ±  2.93 | 16.23  ±  0.82 | 29 | -4.571 | p < 0.001 | 2.34 |  
        | QOL- Social
 | 13.07  ±  3.37 | 19.17  ±  1.08 | 29 | -4.683 | p < 0.001 | 2.83 |  
        | QOL Environmental | 12.83  ± 2.81 | 18.90  ± 1.06 | 29 | -4.633 | p < 0.001 | 3.19 |  
        | QOL-Total of all domains | 49.33  ± 8.57 | 70.67  ±  3.43 | 29 | -4.707 | p < 0.001 | 3.58 |  | 
  
    | Wilcoxon Signed Rank test based on positive and negative ranks HADS-A: Hospital anxiety and depression rating scale-Anxiety; HADS-D: Hospital anxiety and depression rating scale-Depression; QOL- Quality of life
 P value of <0.01 was taken as significant
 | 
  
    | Table 3: Anxiety, depression and quality of life scores among patients with Essential Tremor and controls. |