Table 7.

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

Cancer sites	Reading rate (words/min) for ORRs, mean (SD; range)	Reading rate (words/mins) for IRRs, mean (SD; range)	Difference (95% CI)a	P value	Tukey post hoc test
All sites	72.15 (5.21; 53.21-83.39)	104.70 (6.41; 90.57-123.09)	−32.55 (−33.18 to −31.93)	<.001	Significant
Brain	70.26 (5.26; 57.71-77.14)	102.36 (5.79; 92.46-113.66)	−32.10 (−34.94 to −29.26)	<.001	Significant
Thyroid	70.51 (3.03; 64.66-76.27)	105.67 (6.47; 105.07-115.27)	−35.16 (−36.86 to −33.46)	<.001	Significant
Breast	73.20 (3.29; 66.43-78.73)	103.22 (6.05; 90.98-114.55)	−30.03 (−31.39 to −28.66)	<.001	Significant
Lung	63.54 (4.57; 53.21-70.84)	105.70 (6.58; 93.92-123.09)	−42.15 (−43.72 to −40.57)	<.001	Significant
Esophagus	73.73 (3.56; 68.66-79.41)	105.23 (8.04; 94.41-116.82)	−31.50 (−38.07 to −24.93)	<.001	Significant
Gastric	75.47 (2.86; 69.10-79.87)	103.64 (5.56; 94.29-115.16)	−28.17 (−30.41 to −25.93)	<.001	Significant
Liver	73.40 (2.89; 67.67-77.95)	104.26 (7.22; 94.54-121.89)	−30.86 (−33.78 to −27.94)	<.001	Significant
Pancreas	75.08 (2.94; 67.39-78.11)	102.81 (6.71; 94.53-115.93)	−27.73 (−31.37 to −24.09)	<.001	Significant
Colorectal	76.14 (2.8; 68.97-80.39)	106.37 (6.55; 94.798-116.84)	−30.23 (−31.92 to −28.54)	<.001	Significant
Kidney	72.52 (3.72; 62.93-78.75)	104.25 (6.27; 94.54-117.92)	−31.72 (−33.72 to −29.72)	<.001	Significant
Prostate	72.84 (3.05; 66.76-78.10)	104.6 (6.5; 95.16-116.80)	−31.76 (−34.14 to −29.38)	<.001	Significant
Bladder	74.86 (3.12; 68.16-80.02)	106 (5.65; 94.61-116.04)	−31.14 (−32.99 to −29.29)	<.001	Significant
Ovary	75.60 (2.70; 67.71-79.82)	104.25 (6.3; 93.80-115.95)	−28.65 (−30.40 to −26.89)	<.001	Significant
Uterus	73.34 (3.61; 62.74-83.39)	104.04 (6.45; 92.88-115.85)	−30.70 (−33.24 to −28.16)	<.001	Significant

^aThe 95% CI of the difference between the IRRs and ORRs.