Without IPTW | With IPTW | ||||||||
---|---|---|---|---|---|---|---|---|---|
Univariate analysis | Multivariate analysis | ||||||||
OR | 95% CI | P value | OR | 95% CI | P value | OR | 95% CI | P value | |
Age (≤ 70y vs. > 70 y) | 3.77 | 1.82–8.20 | < 0.01 | 5.40 | 2.27–13.90 | < 0.01 | |||
Sex (Male vs. Female) | 0.78 | 0.37–1.62 | 0.50 | 0.93 | 0.39–2.25 | 0.87 | |||
Smoking histology (Never vs. Past/Current) | 3.04 | 0.90–11.96 | 0.09 | 3.62 | 0.87–17.52 | 0.09 | |||
Performance status (0–1 vs. ≥ 2) | 0.61 | 0.24–1.56 | 0.30 | 1.18 | 0.87–17.52 | 0.78 | |||
Histology (Non-SQ vs. SQ) | 1.11 | 0.51–2.45 | 0.80 | 0.92 | 0.38–2.25 | 0.85 | |||
PD-L1 TPS (≥ 50% vs. < 50% or Unknown) | 1.20 | 0.61–2.35 | 0.60 | 1.28 | 0.50–3.27 | 0.65 | |||
Postoperative recurrence (No vs. Yes) | 0.81 | 0.40–1.67 | 0.57 | 0.79 | 0.34–1.82 | 0.58 | |||
Treatment regimen (Combination therapy vs. Monotherapy) | 0.72 | 0.37–1.38 | 0.32 | 0.41 | 0.14–1.14 | 0.09 | 0.56 | 0.34–0.91 | 0.019 |