S. No. | First Author | Exon 19, n (%) | Exon 21, n (%) | Exon 18, n (%) | Exon 20, n (%) | Combination, n (%) |
1 | Samdariya et al. [49] | NA | NA | NA | NA | NA |
2 | Rana et al. [50] | 34 (70.8) | 10 (20.8) | 2 (4.2) | 2 (4.2) | NA |
3 | Bal et al. [28] | 30 (81) | 6 (16) | NA | 1 (3) | NA |
4 | Verma et al. [21] | NA | NA | NA | NA | NA |
5 | Doval et al. [30] | NA | NA | NA | NA | NA |
6 | Doval et al. [51] | NA | NA | NA | NA | NA |
7 | Bhatt et al. [52] | 32 (76.2) | 7 (16.6) | 1 (2.4) | 2 (4.8) | NA |
8 | Shankar et al. [53] | NA | NA | NA | NA | NA |
9 | Singh et al. [20] | NA | NA | NA | NA | NA |
10 | Ashutosh et al. [36] | 14 (67) | 5 (24) | 1 (4.7) | 1 (4.7) | NA |
11 | Sahoo et al. [54] | 59 (52) | 32 (28) | 9 (7.9) | 3 (3) | NA |
12 | Bala et al. [29] | 38 (80.9) | 7 (14.9) | NA | 2 (4.2) | NA |
13 | Jain et al. [25] | 10 (58.8) | 6 (35.3) | NA | 1 (6) | NA |
14 | Sharma et al. [19] | 12 (63.2) | 6 (31.6) | NA | 1 (5.3) | NA |
15 | Udupa et al. [35] | 23 (68) | 6 (17.6) | 1(2.9) | 2 (6) | 2 (5.9) |
16 | Chatterjee et al. [17] | 42 (61.8) | 19 (27.9) | NA | NA | NA |
17 | Vaid et al. [27] | 10 (47) | 8 (36) | NA | NA | NA |
18 | Chatterjee et al. [16] | 18 (51.4) | 16 (45.7) | NA | 2 (5.7) | NA |
19 | Ansari et al. [55] | 9 (64.4) | 4 (28.6) | NA | NA | NA |
20 | Kota et al. [56] | 24 (71) | 9 (26) | 1 (3) | NA | NA |
21 | Singh et al. [34] | 21 (68) | 6 (19) | 1 (3) | 6 (19) | NA |
22 | Gupta et al. [57] | NA | NA | NA | NA | NA |
23 | Noronha et al. [33] | 143 (63) | 72 (31.7) | 12 (5.2) | NA | NA |
24 | Kasana et al. [32] | 11 (55) | 6 (30) | NA | 3 (15) | NA |
25 | Choughule et al. [18] | 135 (52.9) | 97 (38) | 15 (5.8) | 6 (2) | 2 (0.8) |
26 | Bharadwaj et al. [58] | 11 (61.1) | 5 (27.7) | 2 (11.1) | NA | NA |
27 | Poonamalle et al. [23] | NA | NA | NA | NA | NA |
28 | Dutt et al. [24] | NA | NA | NA | NA | NA |
29 | Prabhash et al. [42] | 33 (55.9) | 23 (39) | 1 (1.7) | NA | NA |
30 | Doval et al. [31] | 22 (51.2) | 15 (34.9) | 1 (2.3) | 2 (4.7) | 3 (7) |
31 | Dang et al. [59] | NA | NA | NA | NA | NA |
32 | Chougule et al. [41] | 105 (50) | 86 (40.9) | 15 (7.1) | 4 (1.9) | NA |
33 | Noronha et al. [26] | 29 (74.3) | 9 (23.1) | 1 (2.6) | NA | NA |
34 | Kumari et al. [60] | NA | NA | NA | NA | NA |