3.
不同首发症状与肺癌确诊时间
Initial symptoms and diagnosis time
| Characteristics | n | Diagnosis time [median (P25-P75)] | χ2 | P |
| Cough | 174 | 60 (30-120) | 41.519 | < 0.001 |
| Hemoptysis | 34 | 26.5 (15-38.25) | ||
| Chest pain | 36 | 50 (29.25-120) | ||
| Shortness of breath | 30 | 47 (22.5-90) | ||
| Body pain (except chest) | 25 | 60 (30-90) | ||
| Symptom of central nervous system | 7 | 90 (18-180) | ||
| Neck lump | 12 | 70 (27-90) | ||
| Physical examination | 176 | 30 (20-67.5) | ||
| Hoarseness | 6 | 60 (24.25-112.5) |