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2次人工智能筛查肺癌结节kappa分析（1 mm层厚）
Two times of artificial intelligence (AI) screening lung cancer nodules kappa analysis (1 mm)
| The first AI screening | The second AI screening | Total | |
| Lung nodules（n=250） | Nonodules（n=250） | ||
| Lung nodules（n=250） | 238 | 9 | 247 |
| Nonodules（n=250） | 6 | 236 | 242 |
| Total | 244 | 245 | 489 |
