Table 3. Results of the Ax dissection.

	Group-A (level-III), n=258	Group-B (level-I), n=256	Statistics
Level-I
Involved nodes	1.29±3.25	1.44±4.15	NS
Dissected nodes	13.73±4.12	14.81±4.65	P=0.0057
Level-II
Involved nodes	0.07±0.35
Dissected nodes	1.08±1.39
Level-III
Involved nodes	0.18±0.73
Dissected nodes	3.89±1.98
Total
Involved nodes	1.54±3.92	1.44±4.15	NS
Dissected nodes	18.72±5.47	14.81±4.65	P<0.0001

Ax=axillary; NS=no significant difference.