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. 2016 May 20;3:100–107. doi: 10.1016/j.ejro.2016.05.002

Table 1.

KL score distribution.

KL Score Number Age Range Female Male
0 56 (39%) 35–72 yo 33 (59%) 23 (41%)
1 46 (32%) 38–72 yo 28 (61%) 18 (39%)
2 25 (17%) 42–72 yo 15 (60%) 10 (40%)
3 13 (9%) 41–72 yo 9 (69%) 4 (31%)
4 3 (2%) 55–64 yo 2 (67%) 1 (33%)