Table 2.
Characteristics of patients treated with CTNB vs. non-biopsy in the observational data set and after propensity score matching for patients with p-stage ≤ II.
| Clinical factors | observational data set (n=1234) | Propensity score-matched cohort (n=226) | |||||
|---|---|---|---|---|---|---|---|
| CTNB n=113(%) |
non-biopsy n=1121(%) |
p value | CTNB n=113(%) |
non-biopsy n=113(%) |
p value | ||
| Age | 0.698 | 0.690 | |||||
| ≥60 | 57(50.44) | 544(48.53) | 57(50.44) | 60(53.10) | |||
| <60 | 56(49.56) | 577(51.47) | 56(49.56) | 53(46.90) | |||
| Gender | 0.791 | 0.894 | |||||
| Male | 58(51.33) | 590(52.63) | 58(51.33) | 59(52.21) | |||
| female | 55(48.67) | 531(47.37) | 55(48.67) | 54(47.79) | |||
| T stage | <0.001* | 0.396 | |||||
| 1 | 30(26.55) | 586(52.27) | 30(26.55) | 27(23.89) | |||
| 2 | 78(69.03) | 502(44.78) | 78(69.03) | 76(67.26) | |||
| 3 | 5(4.42) | 33(2.94) | 5(4.42) | 10(8.85) | |||
| N stage | 0.448 | 0.857 | |||||
| 0 | 94(83.19) | 962(85.82) | 94(83.19) | 95(84.07) | |||
| 1 | 19(16.81) | 159(14.18) | 19(16.81) | 18(15.93) | |||
| TNM stage | <0.001* | 0.087 | |||||
| I | 71(62.83) | 890(79.39) | 71(62.83) | 83(73.45) | |||
| II | 42(37.17) | 231(20.61) | 42(37.17) | 30(26.55) | |||
| Location | 0.319 | 0.391 | |||||
| Central | 8(7.08) | 112(9.99) | 8(7.08) | 5(4.42) | |||
| Peripheral | 105(92.92) | 1009(90.01) | 105(92.92) | 108(95.58) | |||
| Pathology | 0.001* | 0.840 | |||||
| Ad | 78(69.03) | 919(81.98) | 78(69.03) | 82(72.57) | |||
| Scc | 24(21.24) | 162(14.45) | 24(21.24) | 21(18.59) | |||
| Others | 11(9.73) | 40(3.57) | 11(9.73) | 10(8.85) | |||
| Chemotherapy# | <0.001* | 0.506 | |||||
| Yes | 57(50.44) | 275(24.53) | 57(50.44) | 52(46.02) | |||
| No | 56(49.56) | 846(75.47) | 56(49.56) | 61(53.98) | |||
| Radiotherapy# | 0.143 | 0.313 | |||||
| Yes | 3(2.65) | 12(1.07) | 3(2.65) | 1(0.89) | |||
| No | 110(97.35) | 1109(98.93) | 110(97.35) | 112(99.11) | |||
Abbreviations: CTNB, computed tomography-guided needle biopsy; Ad, adenocarcinoma; Scc: squamous-cell carcinoma.
#: adjuvant therapy. *P < 0.05.