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. 2017 Mar;9(3):742–756. doi: 10.21037/jtd.2017.03.07

Table S4. Univariate and multivariate analysis of predictive factor for OS and survival after the first progression post-SABR for the whole patients.

Characteristics OS Survival after the first progression post-SABR
Univariate Multivariate Univariate Multivariate
HR (95% CI) P value HR (95% CI) P value HR (95% CI) P value HR (95% CI) P value
Age (continuous) 1.00 (0.95–1.05) 0.89 1.02 (0.97–1.08) 0.34
Age
   <70 years 0.86 (0.36–2.05) 0.74 1.40 (0.47–2.21) 0.54
   ≥70 years
Gender
   Male 0.78 (0.31–1.97) 0.60 0.33 (0.10–1.10) 0.07 0.15 (0.02–0.88) 0.03
   Female
FEV1 (continuous) 0.99 (0.97–1.01) 0.46 0.99 (0.97–1.02) 0.85
FEV1
   <40% of predicted 0.47 (0.17–1.26) 0.13 0.38 (0.07–1.93) 0.42
   ≥40% of predicted
DLCO (continuous) 0.98 (0.95–1.00) 0.15 0.98 (0.95–1.01) 0.31
DLCO
   <40% of predicted 0.98 (0.95–1.00) 0.16 0.88 (0.16–4.85) 0.88
   ≥40% of predicted
Supplemental O2
   Needed 3.49 (1.52–10.25) 0.005 3.40 (1.25–9.22) 0.01 1.68 (0.46–6.18) 0.43
   Not-needed
KPS 0.08
   ≤70% 0.42 (0.17–1.01) 0.05 0.51 (0.20–1.32) 0.16 0.33 (0.09–1.22) 0.09 0.16 (0.02–1.27)
   >70%
CVD
   Yes 1.27 (0.53–3.05) 0.58 0.76 (0.26–2.19) 0.62
   No
COPD
   Yes 1.43 (0.59–3.48) 0.60 1.97 (0.66– 5.91) 0.22
   No
Comorbidity
   One or more 1.46 (0.42–5.06) 0.54 2.18 (0.47–9.95) 0.31
   None
Pre-chemotherapy
   Yes 0.79 (0.33–1.89) 0.60 0.70 (0.24–2.05) 0.51
   No
Post-chemotherapy 0.36
   Yes 0.85 (0.35–2.07) 0.73 0.37 (0.11–1.17) 0.09 0.47 (0.09–2.39)
   No
Chemotherapy
   One or both pre or post 0.80 (0.32–1.98) 0.63 0.48 (0.14–1.67) 0.25
   None
Pre-lung irradiation
   Yes 0.86 (0.20–3.71) 0.84 0.96 (0.21–4.37) 0.96
   No
Pre-lung surgery 0.71
   Yes 0.78 (0.30–2.03) 0.62 0.24 (0.05–1.15) 0.07 0.63 (0.05–7.71)
   No
Pre-lung treatment
   One or both 0.71 (0.28–1.78) 0.47 0.33 (0.08–1.29) 0.11
   None
Post-lung irradiation
   Yes 0.68 (0.16–2.95) 0.61 0.52 (0.06–4.13) 0.53
   No
Post-lung surgery
   Yes 1.06 (0.14–0.7.98) 0.95
   No
Post- lung treatment
   One or both 0.72 (0.16–3.12) 0.66
   None
Lung local treatment 0.84
   One or both pre or post 0.64 (0.26–1.53) 0.32 0.22 (0.05–0.86) 0.03 1.30 (0.09–18.97)
   None
Number of lesions
   One lesion 1.83 (0.77–4.36) 0.17 0.47 (0.14–1.57) 0.22
   More than one
Type of cancer 0.10
   Primary 0.45 (0.15–1.36) 0.15 0.11 (0.01–0.88) 0.03 0.17 (0.02–1.44)
   Metastatic
After progression
   Salvage treatments 1.28 (0.45–3.67) 0.63 0..40 (0.13–1.22) 0.11
   No treatments

OS, overall survival; SABR, stereotactic ablative radiotherapy; HR, hazard ratio; FEV1, forced expiration at the first second; DLCO, diffusing capacity of the Lung for carbon monoxide; KPS, Karnofsky`s performance status; CVD, cardiovascular disease; COPD, chronic obstructive pulmonary disease.