Table 9.

Studies regarding BCC in South Asia.

						Highlights of the study
Study	n	Duration and type of study	M	F	M : F	Age	Sites	Subtype
Obaidullah and Aslam, 2008 [34]	100	4 years, prospective	45	55	0.8 : 1	Mean age = 56.3 years	—	24 pigmented nodular, 21 nonpigmented nodular, 30 ulcerative, and6 lesions were of morphoeic type.
Asif et al., 2010 [35]	235	3 years, retrospective	53.2%	46.8%	1.2 : 1	32–90 years	Nose: 28.9% Eye: 24.7% Cheek: 20.4%	—
Laishram et al., 2010 [22]	30	5 years, retrospective	—	—	1 : 2	Median age = 70 years; most common age group is 61–70 years.	83.3% on head and neck, with predilection for face	Nodular subtype was the most frequent.
Malhotra et al., 2011 [23]	34	3 years	—	—	1.6 : 1	28 to 102 years. Majority in age group 40–60 years (44%)	91.2% on head and neck, with commonest site being medial/lateral canthus of eye	Most common histology subtype: nodular (64.7%); pigmented clinically (35.2%)
Chow et al., 2011 [36]	225	10 years, retrospective	94	132	0.7	Mean age = 73.1 (22–100) years	Nose: 31.6% Cheek: 16.5%	Ulcer: 64.8% Nodule: 19.3%
Deo et al. [3]	14	8 years, retrospective	—	—	—	—	—	—
Moore and Bennett, 2012 [37]	10	9 years, retrospective	5	5	—	68.9 years	100% on head region	Nodular: 50% Infiltrative: 10% Sclerosing: 10%
Janjua and Qureshi, 2012 [38]	171	3 years, retrospective	100	71	1.4 : 1	22–90 years (mean 61.3 ± 13.07 years)	Most common site: nose (31.5%) followed by cheek (26.9%)	Nodular variety: 46.2% and pigmented type: 18.7%
Chang and Gao, 2013 [39]	243	8 years, retrospective	118	125	0.94 : 1	65.16 ± 12.62 years	Head and neck region was the most common site (77.4%)	Nodular: 53.9% Superficial: 18.9% Infiltrative-morphoeic: 18.5%