Table 3 Comparison of sensitivity, specificity, and accuracy of single and combined detection for diagnosis of gastric cancer clinical staging (%)
Clinical staging | Her-2 | CEA | CA724 | CA242 | CA199 | Gastroscope | MSCT | Combined detection | |
|---|---|---|---|---|---|---|---|---|---|
Sensitivity | I | 13.79 (4/29) | 24.14 (7/29) | 13.79 (4/29) | 6.90 (2/29) | 13.79 (4/29) | 6.90 (2/29) | 17.24 (5/29) | 79.31 (23/29) |
II | 21.62 (8/37) | 27.02 (10/37) | 21.62 (8/37) | 13.51 (5/37) | 18.92 (7/37) | 10.81 (4/37) | 24.32 (9/37) | 86.49 (32/37) | |
III | 33.33 (7/21) | 47.62 (10/21) | 38.10 (8/21) | 23.81 (5/21) | 28.57 (6/21) | 23.81 (5/21) | 42.86 (9/21) | 90.48 (19/21) | |
IV | 54.55 (6/11) | 72.73 (8/11) | 63.64 (7/11) | 27.27 (3/11) | 45.45 (5/11) | 27.27 (3/11) | 63.64 (7/11) | 100 | |
Specificity | I | (11/11) | |||||||
II | 72.46 (50/69) | 82.61 (57/69) | 69.57 (48/69) | 60.87 (42/69) | 60.87 (42/69) | 63.77 (44/69) | 73.91 (51/69) | 97.10 (67/69) | |
III | 60.66 (37/61) | 62.30 (38/61) | 55.74 (34/61) | 52.46 (32/61) | 62.30 (38/61) | 57.38 (35/61) | 62.30 (38/61) | 90.16 (55/61) | |
IV | 68.83 (53/77) | 70.12 (54/77) | 75.32 (58/77) | 71.43 (55/77) | 72.73 (56/77) | 67.53 (52/77) | 71.43 (55/77) | 96.10 (74/77) | |
Accuracy | I | 93.10 (81/87) | 94.25 (82/87) | 95.40 (83/87) | 94.25 (82/87) | 94.25 (82/87) | 90.80 (79/87) | 94.25 (82/87) | 97.70 (85/87) |
II | 55.10 (54/98) | 65.31 (64/98) | 53.06 (52/98) | 44.90 (44/98) | 46.94 (46/98) | 46.94 (46/98) | 57.14 (56/98) | 91.84 (90/98) | |
III | 45.92 (45/98) | 48.98 (48/98) | 42.86 (42/98) | 37.76 (37/98) | 45.92 (45/98) | 39.80 (39/98) | 47.96 (47/98) | 88.78 (87/98) | |
IV | 61.22 (60/98) | 65.31 (62/98) | 67.35 (66/98) | 61.22 (60/98) | 63.27 (62/98) | 58.16 (57/98) | 65.31 (64/98) | 94.90 (93/98) | |
Overall accuracy | 62.76 | 88.78 (87/98) | 91.84 (90/98) | 91.84 (90/98) | 86.73 (85/98) | 88.78 (87/98) | 83.67 (82/98) | 90.82 (89/98) | |