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. 2013 Mar 13;8:40. doi: 10.1186/1750-1172-8-40

Table 4.

Comparison of published cohorts

  Seymour (2002) [8] (n = 410) Inoue (2008) [10] (n = 248) Xu (2009) [11] (n = 241) Bonella (2010) [12] (n = 70) Campo (2012) [this paper] (n = 81)
Age at Diagnose (mean, range)
39 (30-46)
51 (41-58)
42 (n.a)
43 (18-78)
40 (26-54)
Ratio Male/Female
2.6
2.0
2.2
1.3
2.0
Primary PAP (%)
n.a.
90
n.a.
91
90
Secondary PAP (%)
n.a.
10
n.a.
9
3.7
Time to diagnosis (months)
7 (3-19)
10 (4-36)
n.a.
9 (1-36)
11 (0-27)
Spontaneous remitters (%)
6
5
n.a.
5
7
Smoking habits (%)
 
 
 
 
 
Never
28
43
-
21
36
Previous
n.a.
29
-
30
42
Current
n.a.
29
-
49
22
Dust exposure (%)
n.a.
26
n.a.
54
32
Whole lung lavage 54% n.a. 59% 90% 54%