|
Table 1: Patient demographics per period. |
||||
|
Variable |
Baseline period (n = 70) June 2008-December 2012 |
Lean implementation period (n = 29) January 2013-December 2014 |
Full lean implementation period (n = 79) January 2015-June 2018 |
p |
|
Age, mean years (± SD) |
59.1 (13.5) |
60.9 (12.4) |
61.1 (11) |
0.59 |
|
Males, n (%) |
42 (60) |
16 (55.2) |
41 (51.9) |
0.61 |
|
VATS lobectomy, n (%) |
21 (30) |
7 (24.1) |
32 (40.5) |
0.19 |
|
Current smoker, n (%) |
15 (21.4) |
12 (41.4) |
21 (26.6) |
0.12 |
|
Body mass index, mean (±SD) |
26.7 (4.4) |
27.1 (4.7) |
26.84 (3.8) |
0.91 |
|
Comorbidities, n (%) |
|
|
|
|
|
Hypertension |
32 (45.7) |
11 (37.9) |
28 (35.4) |
0.43 |
|
Congestive heart failure |
2 (2.9) |
0 (0) |
0 (0) |
0.21 |
|
Coronary artery disease |
10 (14.3) |
1 (3.4) |
5 (6.3) |
0.12 |
|
Stroke |
0 (0) |
1 (3.4) |
2 (2.5) |
0.35 |
|
Diabetes |
8 (11.4) |
4 (13.8) |
7 (8.9) |
0.73 |
|
Chronic obstructive pulmonary disease |
13 (18.6) |
5 (17.2) |
15 (19) |
0.97 |
|
Creatinine > 2 mg% |
1 (1.4) |
2 (6.9) |
1 (1.3) |
0.18 |
|
Previous cancer |
13 (18.6) |
5 (17.2) |
21 (26.6) |
0.40 |