Table 2.
Word count of radiology reports.
| Cancer sites | ORRsa, mean word count, n (SD; range) | IRRsb, mean word count, n (SD; range) | Difference (95% CI)c | P valued | Tukey post hoc test |
| All sites (N=698) | 818.74 (197.57; 306-1423) | 1025.82 (42.87; 930-1100) | 207.08 (206.81 to 208.79) | <.001 | Significant |
| Brain (n=32) | 931.74 (119.66; 417-866) | 1030.31 (44.65; 957-1096) | 98.57 (88.57 to 98.31) | <.001 | Significant |
| Thyroid (n=76) | 699.72 (30.90; 625-780) | 1027.8 (45.44; 930-1098) | 328.08 (324.06 to 328.44) | <.001 | Significant |
| Breast (n=86) | 849.81 (70.60; 683-1015) | 1022.77 (42.50; 951-1099) | 172.96 (172.94 to 175.39) | <.001 | Significant |
| Lung (n=98) | 471.91 (47.96; 306-576) | 1022.32 (39.28; 950-1098) | 550.41 (503.55 to 507.35) | <.001 | Significant |
| Esophagus (n=10) | 948.60 (94.06; 745-1109) | 1013.20 (45.61; 959-1091) | 64.60 (59.55 to 72.10) | .03 | Not significant |
| Gastric (n=30) | 953.67 (96.17; 743-1109) | 1033.37 (46.24; 953-1097) | 79.70 (100.35 to 104.26) | <.001 | Significant |
| Liver (n=32) | 894.94 (72.03; 763-1068) | 1022.28 (39.95; 955-1081) | 127.34 (119.94 to 126.56) | <.001 | Significant |
| Pancreas (n=18) | 904.72 (89.65; 771-1085) | 1028 (39.64; 957-1082) | 123.28 (104.83 to 113.27) | <.001 | Significant |
| Colorectal (n=74) | 1065.41 (140.26; 814-1423) | 1024.73 (42.27; 951-1098) | −40.68 (−73.71 to −67.91) | .01 | Not significant |
| Kidney (n=61) | 831.90 (100.53; 621-1092) | 1031 (43.74; 952-1100) | 199.10 (193.59 to 196.59) | <.001 | Significant |
| Prostate (n=37) | 797.81 (64.91; 593-942) | 1023.54 (45.14; 951-1099) | 225.73 (196.78 to 200.87) | <.001 | Significant |
| Bladder (n=50) | 685.19 (97.35; 719-1256) | 1019.18 (45.12; 950-1093) | 333.99 (334.28 to 342.91) | <.001 | Significant |
| Ovary (n=61) | 1009.64 (81.44; 831-1152) | 1023.41 (41.94; 951-1097) | 13.77 (−33.67 to 11.61) | .22 | Not significant |
| Uterus (n=33) | 810.55 (98.50; 576-1009) | 1044.30 (42.54; 955-1099) | 233.75 (210.98 to 218.52) | <.001 | Significant |
aORR: original radiology report.
bIRR: interpretative radiology report.
cThe 95% CI of the difference between the IRRs and ORRs.
dThe ORRs and IRRs of different cancer sites were analyzed statistically.