Table:
Never-Smokers	Ever-Smokers	Smoking History Unknown
Grade	EGFR Mutation Negative	EGFR Mutation Positive	p Value	Grade	EGFR Mutation Negative	EGFR Mutation Positive	p Value	Grade	EGFR Mutation Negative	EGFR Mutation Positive	p Value
I and IIN = 52 (%)	21 (40.4)	31 (59.6)	0.10 *	I and IIN = 65 (%)	54 (83.1)	11 (16.9)	0.005 **	I and IIN = 22 (%)	10 (45.5)	12 (54.5)	0.07 **
II–III and IIIN = 21 (%)	13 (61.9)	8 (38.1)	II–III and IIIN = 56 (%)	55 (98.2)	1 (1.8)	II–III and IIIN = 13 (%)	10 (76.9)	3 (23.1)

Continue parse the figure with markdown style: | <COLSPAN=4> Never-Smokers | <COLSPAN=4> Ever-Smokers | <COLSPAN=4> Smoking History Unknown | 
 | Grade | EGFR Mutation Negative | EGFR Mutation Positive | p Value | Grade | EGFR Mutation Negative | EGFR Mutation Positive | p Value | Grade | EGFR Mutation Negative | EGFR Mutation Positive | p Value | 
 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 
 | I and IIN = 52 (%) | 21 (40.4) | 31 (59.6) | <ROWSPAN=2> 0.10 * | I and IIN = 65 (%) | 54 (83.1) | 11 (16.9) | <ROWSPAN=2> 0.005 ** | I and IIN = 22 (%) | 10 (45.5) | 12 (54.5) | <ROWSPAN=2> 0.07 ** | 
 | II–III and IIIN = 21 (%) | 13 (61.9) |

8 (38.1) | II–III and IIIN = 56 (%) | 55 (98.2) | 1 (1.8) | II–III and IIIN = 13 (%) | 10 (76.9) | 3 (23.1) |