Table 1 Clinical characteristics of patients before and after matching
Characteristics | Pre-matched | Matched | ||||
|---|---|---|---|---|---|---|
POCRT | pCT | p | POCRT | pCT | p | |
Gender | 0.523 | 0.385 | ||||
Male | 42 | 75 | 42 | 33 | ||
Female | 18 | 40 | 18 | 20 | ||
Median age (y, range) | 58 (37–74) | 56 (33–75) | 0.222 | 58 (37–74) | 57 (41–73) | 0.217 |
ECOG scoring | 0.572 | 0.149 | ||||
0 | 18 | 36 | 18 | 21 | ||
1 | 42 | 77 | 42 | 30 | ||
2 | 0 | 2 | 0 | 2 | ||
Position | 0.636 | 0.190 | ||||
Central | 30 | 62 | 30 | 20 | ||
Periphery | 30 | 53 | 30 | 33 | ||
Vessel invasion | ||||||
Positive | 16 | 28 | 0.737 | 16 | 15 | 0.846 |
Negative | 44 | 87 | 44 | 38 | ||
pT stage | 0.099 | 0.067 | ||||
1 | 13 | 16 | 13 | 16 | ||
2 | 35 | 58 | 35 | 35 | ||
3 | 8 | 19 | 8 | 1 | ||
4 | 4 | 22 | 4 | 1 | ||
Operation modality | 0.044 | 0.674 | ||||
Wedge or Sleeve | 4 | 2 | 4 | 2 | ||
Lobectomy | 54 | 99 | 54 | 48 | ||
Pneumonectomy | 2 | 14 | 2 | 3 | ||
Pathology | 0.582 | 0.261 | ||||
SCC | 18 | 30 | 18 | 11 | ||
Non-SCC | 42 | 85 | 42 | 42 | ||
pN stage | 0.924 | 0.646 | ||||
N2a1 | 13 | 26 | 13 | 9 | ||
N2a2 | 18 | 37 | 18 | 20 | ||
N2b | 29 | 52 | 29 | 24 | ||
Chemotherapy cycles (range) | 4 (2–6) | 3 (2–6) | 0.0001 | 4 (2–6) | 4 (2–6) | 0.143 |
Total number of MLNs (range) | 4 (1–28) | 4 (1–26) | 0.536 | 4 (1–28) | 4 (1–23) | 0.333 |
CTV dose (range) | 5000 (4400–6000) | – | 5000 (4400–6000) | – | ||