变量 | 肺粘液腺癌组(n = 292) | 非粘液腺癌组(n = 292) | c2/t/Z值 | P值 | |
存在实体、微乳头成分,n (%) | 81 (27.7) | 63 (21.6) | 2.986 | 0.084b | |
侵犯脏层胸膜,n (%) | 34 (11.6) | 26 (8.9) | 1.189 | 0.276b | |
解剖部位,n (%) |
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中央型 | 6 | 3 | 1.016 | 0.315b | |
周围型 | 286 | 289 | |||
手术方式,n (%) |
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电视辅助胸腔镜手术 | 280 | 236 | 32.223 | <0.001b | |
机器人辅助胸腔镜手术 | 12 | 58 | |||
PD-1/PD-L1, median (P25, P75) | 0.00 (0.00, 1.00) | 0.00 (0.00, 0.00) | −4.992 | <0.001d | |
Ki-67, median (P25, P75) | 5.00 (3.00, 10.00) | 5.00 (5.00, 10.00) | −2.033 | 0.042d | |
T分期,n (%) |
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T1a | 43 | 66 | 51.83 | <0.001b | |
T1b | 117 | 128 | |||
T1c | 63 | 73 | |||
T2a | 41 | 9 | |||
T2b | 7 | 7 | |||
T3 | 21 | 9 | |||
N分期,n (%) |
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N0 | 269 | 284 |
| 0.006c | |
N1 | 17 | 3 | |||
N2 | 6 | 5 | |||
TNM分期,n (%) |
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IA1 | 41 | 66 |
| <0.001c | |
IA2 | 112 | 126 | |||
IA3 | 58 | 73 | |||
IB | 35 | 8 | |||
IIA | 7 | 6 | |||
IIB | 31 | 7 | |||
IIIA | 6 | 3 | |||
IIIB | 2 | 3 | |||
淋巴结清扫组数(组),median (P25, P75) | 6.00 (6.00, 7.00) | 6.00 (6.00, 7.00) | −1.921 | 0.055d | |
淋巴结清扫数量(个),median (P25, P75) | 15.00 (10.00, 19.00) | 11.00 (8.00, 15.00) | −4.523 | <0.001d | |
阳性淋巴结组数(组),median (P25, P75) | 0.00 (0.00, 0.00) | 0.00 (0.00, 0.00) | −1.460 | 0.144d | |
阳性淋巴结数量(个),median (P25, P75) | 0.00 (0.00, 0.00) | 0.00 (0.00, 0.00) | −1.664 | 0.096d | |