Table I.
Features of the included studies.
| First author | Country | Publication time | N | Histological type | Indicators | Survival analysis | (Refs.) |
|---|---|---|---|---|---|---|---|
| Almasi | Denmark | 2005 | 63 | SCC | uPAR | OS | (17) |
| Almasi | Denmark | 2009 | 32 | SCC, AC, LCC | uPAR | OS | (18) |
| Almasi | Denmark | 2011 | 171 | SCC, AC, LCC, BAC NSCLC mix, nos | uPAR | OS | (19) |
| Blumenschein | USA | 2011 | 54 | SCC, AC | uPA, PAI-1, uPAR | OS, PFS | (20) |
| Su | Taiwan | 2015 | 98 | SCC, AC, LCC | uPA, PAI-1, PAI-2, uPAR | OS, DFS | (21) |
| Pappot | Denmark | 1999 | 54 | AC | PAI-1, uPAR | OS | (22) |
| Offersen | Denmark | 2007 | 118 | SCC, AC, LCC | uPA, PAI-1 | OS | (23) |
| Pappot | Denmark | 2006 | 99 | AC | uPA, PAI-1 | OS | (24) |
| Pedersen | Denmark | 1994 | 54 | AC | uPA, PAI-1 | OS | (25) |
| Salden | Netherlands | 2000 | 88 | SCC, AC, LCC, NSCLC mix | uPA, PAI-1, PAI-2, uPAR | OS | (26) |
| Werle | Germany | 2004 | 106 | SCC, AC, LCC | PAI-1 | OS | (27) |
SCC, squamous cell carcinoma; AC, adenocarcinoma; LCC, large cell carcinoma; BAC, bronchioalveolar carcinoma; NSCLC mix, nos, carcinoma indicating components of more than one histological subtype of NSCLC and NSCLC not otherwise specified; OS, overall survival; DFS, disease-free survival.