Table 2.

Demographic characteristics, sex ratio, stage of the tumor, and primary site in group I (Colorado microneedle) and group II (conventional dissection)

	Group I (n = 30)	Group II (n = 30)	Total (n = 60)
Mean age (years)	47 ± 13.90	47.53 ± 15.52
Sex (M/F)	24/6	18/12	42/18
Primary site
Buccal mucosa	11	8	19 (31.6 %)
Tongue	11	16	26 (43.3%)
RMT	2	2	4 (6.6%)
Floor of mouth	4	3	7 (11.6%)
Gingivo buccal sulcus	2	1	3 (5%)
T stage
T1	20	13	23 (38.3%)
T2	8	11	19 (31%)
T3	2	6	8 (13.3%)
T4	0	0	0%
N stage
N0	23	25	48 (80%)
N1	7	5	12 (20%)
Neck dissection
SND (I–III)	13	11	24 (40%)
SND (I–IV)	17	19	36 (60%)