Table 2 : EGFR mutation status.

 Variables EGFR mutation   Total
  Positive   Negative
 North India   9 (41%)   13   22
 South India   19 (68%)   9   28
 Male   11 (50%)   11   22
 Female   17 (61%)   11   28
Pungliya et al.Journal of Cancer Therapeutics and Research  2014 3:4DOI : 10.7243/2049-7962-3-4