Table 5 The prevalence of lung nodules among different lung zones in CT and the other different models of analysis
Nodule location | CT (216) | AI (188)* | Visual/AI (181)* | Visual (170)* | Visual vs CT | Visual vs AI | Visual vs visual/AI |
|---|---|---|---|---|---|---|---|
< 0.001 | 0.180 | 0.130 | |||||
Right upper zone | 39/216 (18%) | 38/188 (20.2%) | 37/181 (20.4%) | 32/170 (18.8%) | |||
Right middle zone | 45/216 (20.8%) | 40/188 (21.3%) | 40/181 (22.1%) | 38/170 (22.4%) | |||
Right lower zone | 28/216 (12.9%) | 27/188 (14.4%) | 22/181 (12.2%) | 23/170 (13.5%) | |||
Left upper zone | 37/216 (17.1%) | 34/188 (18%) | 32/181 (17.7%) | 29/170 (17.1%) | |||
Left middle zone | 36/216 (16.6%) | 28/188 (14.9%) | 29/181 (16%) | 26/170 (15.3%) | |||
Left lower zone | 31/216 (14.6%) | 21/188 (11.2%) | 21/181 (11.6%) | 22/170 (12.9%) |