Table 1

Grade distribution in each of the six lung zones

Grade 1

Grade 2

Grade 3

Grade 4

Total


Zone

R %(n)

L %(n)

R %(n)

L %(n)

R%(n)

L%(n)

R%(n)

L%(n)

R %(n)

L %(n)


Upper

48 (21)

41(18)

18 (8)

21 (9)

5 (2)

7 (3)

16 (7)

11(5)

86.4(38)

79.5(35)


Middle

50 (22)

39 (17)

25 (11)

27 (12)

7(3)

2 (1)

0 (0)

2 (1)

81.8(36)

70.5(31)


Lower

52 (23)

41(18)

30 (13)

27 (12)

0(0)

2 (1)

0(0)

2 (1)

81.8(36)

72.7(32)


Ozmen et al. Environmental Health 2010 9:17   doi:10.1186/1476-069X-9-17

Open Data