Study & study population | Right lung | Left lung | |||||||
Oblique | Horizontal | Oblique | |||||||
Complete | Incomplete | Absent | Complete | Incomplete | Absent | Complete | Incomplete | Absent | |
Medler (1947) [22] United States | 69.6 | 25.6 (307/1200) | 4.8 (58/1200) | 37.7 | 17.1 (205/1200) | 45.2 (506/1200) | 82.1 | 10.6 (127/1200) | 7.3 (88/1200) |
Lukose et al., 1999 [23] India | 100 | 0 | 0 | 68.5 | 21 (4/19) | 10.5 (2/19) | 79 | 21 (4/19) | 0 |
Meenakshi et al., 2004 [24] India | 63.4 | 36.6 (11/30) | 0 | 20.1 | 63.3 (19/30) | 16.6 (5/30) | 53.4 | 46.6 (14/30) | 0 |
Bergman et al., 2008 [16] India | 70 | 30 (83/277) | 0 | 12 | 67 (186/277) | 21 (58/277) | 70 | 30 (83/277) | 0 |
Bhardwaj et al., 2010 [44] India | 53.6 | 39.3 (11/28) | 7.1 (2/28) | 42.9 | 50 (14/28) | 7.1 (2/28) | 53.6 | 35.7 (10/28) | 10.7 (3/28) |
Nene et al., 2011 [13] India | 92 | 6 (3/50) | 2 (1/50) | 78 | 8 (4/50) | 14 (7/50) | 88 | 12 (6/50) | 0 |
Dutta et al., 2013 [14] India | 26.92 | 61.54 | 11.54 | 26.49 | 38.89 | 34.62 | 44 | 48 | 8 |
Jacob and Pillay, 2013 [29] India | 46.6 | 50 | 3.4 | 10 | 83.4 | 6.6 | 61.1 | 38.9 | 0 |
Quadros et al., 2014 [34] India | 94.46 | 5.55 (2/36) | 0 | 63.88 | 25 (9/36) | 11.11 (4/36) | 97.5 | 2.5 (1/40) | 0 |
Hema, 2014 [32] India | 90 | 10 | 0 | 82 | 8 | 10 | 90 | 8 | 2 |
Varalakshmi et al., 2014 [35] India | 74.2 | 21 | 4.8 | 60 | 30 | 10 | 82.1 | 10.6 | 7.3 |
George et al., 2014 [31] India | 96.93 | 3.07 | 0 | 61.55 | 35.38 | 3.07 | 84.94 | 15.06 | 0 |
Kaul et al., 2014 [33] India | 68 | 24 | 8 | 28 | 32 | 40 | 60 | 40 | 0 |
Magadum et al., 2015 [38] India | 30 | 60 | 10 | 35 | 52.5 | 12.5 | 50 | 42.5 | 7.5 |
Divya et al., 2015 [37] India | 89.3 | 10.7 | 0 | 28.6 | 50 | 21.4 | 77.8 | 14.8 | 7.4 |
Anbusudar and Dhivya, 2016 [41] India | 72 | 28 | 0 | 36 | 44 | 20 | 68 | 32 | 0 |
Mamatha et al., 2016 [43] India | 85 | 15 | 0 | 50 | 50 | 0 | 65 | 35 | 0 |
Sudikshya KC et al., 2018 [20] Nepal | 69.57 | 30.43 | 0 | 52.18 | 34.78 | 13.04 | 48.15 | 51.85 | 0 |
Present study Kenya, Africa | 63.16 | 36.84 | 0 | 47.37 | 42.11 | 10.53 | 55.26 | 34.38 | 0 |