Table 6.

Volunteers’ reading time of the original radiology reports (ORRs) and interpretative radiology reports (IRRs) generated based on GPT-4 for reading time (s).

Cancer sites	Reading time (s) for ORRs, mean (SD; range)	Reading time (s) for IRRs, mean (SD; range)	Difference (95% CI)a	P value	Tukey post hoc test
All sites	674.86 (134.08; 311-1130)	589.92 (42.21; 465-699)	84.94 (74.47 to 95.41)	<.001	Significant
Brain	584.41 (66.21; 392-691)	605.16 (32.59; 532-679)	−20.75 (−48.6 to 7.1)	<.001	Significant
Thyroid	596.14 (31.22; 531-691)	585.64 (42.95; 467-689)	10.5 (−2.53 to 23.53)	<.001	Significant
Breast	696.83 (52.65; 561-861)	596.63 (45.14; 504-684)	100.2 (85.45 to 114.95)	<.001	Significant
Lung	446.32 (41.55; 311-540)	582.54 (42.44; 465-682)	−136.26 (−147.97 to −124.54)	<.001	Significant
Esophagus	769.60 (80.88; 631-947)	580.40 (46.53; 511-647)	191.5 (131.11 to 251.89)	<.001	Significant
Gastric	758.13 (70.82; 600-888)	599.63 (37.47; 522-686)	158.50 (129.78 to 187.22)	<.001	Significant
Liver	731.66 (53.14; 612-833)	590.72 (42.39; 472-674)	140.94 (114.77 to 167.1)	<.001	Significant
Pancreas	723.39 (69.88; 599-855)	602.33 (44.92; 520-665)	121.06 (75.86 to 166.25)	<.001	Significant
Colorectal	839.24 (104.18; 642-1130)	580.11 (41.93; 504-678)	259.14 (234.18 to 284.09)	<.001	Significant
Kidney	687.66 (70.55; 508-832)	595.61 (44.90; 492-676)	92.05 (67.78 to 116.32)	<.001	Significant
Prostate	659.43 (59.08; 481-788)	589.16 (42.19; 489-660)	68.78 (45.902 to 91.67)	<.001	Significant
Bladder	746.14 (84.49; 543-974)	578.25 (37.55; 503-675)	167.84 (140.94 to 194.74)	<.001	Significant
Ovary	801.44 (60.56; 646-942)	590.67 (36.29; 520-671)	210.77 (192.77 to 228.77)	<.001	Significant
Uterus	663.42 (76.21; 459-814)	604.42 (44.58; 530-699)	59 (27.5 to 90.5)	<.001	Significant

^aThe 95% CI of the difference between the IRR and ORR word count and medical term count.