7.
AI(1 mm) | Artificial reading piece(1 mm) | AI(5 mm) | Artificial reading piece (5 mm) | |||
Compared with manual film reading,*P < 0.05;Compared with manual film reading,#P < 0.05 | ||||||
Lung nodules(n=250) | 241 | 240 | 238 | 227 | ||
No nodules(n=250) | 239 | 246 | 233 | 243 | ||
Chi-square | 0.139 | 14.807 | ||||
P | 0.874* | 0.006# |