Table 1: Details of the Four Patient Groups. Values Represent Median and Inter-Quartile Range

Group Gender (M/F) Age Mean and (IQR) Mean Duration of Symptoms (in Months)
Stage I 1/5 63.4(53-72) 28
Stage II 5/13 64.2 (58-78) 39
Stage III 3/7 66.2 (57-80) 37
Stage IV 2/4 66.6 (59-81) 41
p value 0.8 0.4 0.09