PARAMETERS GROUP 1 (n=30 males) GROUP 2 (n=30 females) Mean Onset(sec) ± SD 8±0.2 9±.1.4 Mean Duration(sec)± SD 23± 1.1 29 ±1.8 The mean time of onset of pain/pruritus was 8 seconds in group 1 and 9 seconds in group 2.The mean duration of persistence of pain/pruritus was 23 seconds and 29 seconds in group 1 and 2 respectively (Table 3).

Table 3: Mean Onset and Mean Duration of Pain/Pruritus.