Table 3 Accuracy, sensitivity and specificity for (a) cardiovascular diseases; (b) neoplastic diseases; (c) infectious diseases
From: Diagnostic errors in the new millennium: a follow-up autopsy study
1972 | 1982 | 1992 | 2002 | P-value | |
|---|---|---|---|---|---|
(a) | |||||
Accuracy | |||||
Value (%) | 83 | 87 | 95 | 97 | <0.001 |
(True pos+true neg)/all | (33+50/100) | (45+42)/100 | (30+65)/100 | (35+62)/100 | |
Sensitivity | |||||
Value (%) | 69 | 82 | 86 | 92 | 0.006 |
True pos/(true pos+false neg) | (33/48) | (45/55) | (30/35) | (35/38) | |
Specificity | |||||
Value (%) | 85 | 82 | 97 | 98 | <0.001 |
True neg/(true neg+false pos) | (50/59) | (42/51) | (65/67) | (62/63) | |
(b) | |||||
Accuracy | |||||
Value (%) | 93 | 94 | 96 | 100 | 0.014 |
(True pos+true neg)/all | (32+61/100) | (29+65)/100 | (22+74)/100 | (34+66)/100 | |
Sensitivity | |||||
Value (%) | 89 | 88 | 96 | 100 | 0.053 |
True pos/(true pos+false neg) | (32/36) | (29/33) | (22/23) | (34/34) | |
Specificity | |||||
Value (%) | 92 | 97 | 96 | 99 | 0.125 |
True neg/(true neg+false pos) | (61/66) | (65/67) | (74/77) | (66/67) | |
(c) | |||||
Accuracy | |||||
Value (%) | 97 | 98 | 97 | 99 | 0.552 |
(True pos+true neg)/all | (1+96/100) | (4+94)/100 | (12+85)/100 | (9+90)/100 | |
Sensitivity | |||||
Value (%) | 25 | 67 | 86 | 90 | 0.013 |
True pos/(true pos+false neg) | (1/4) | (4/6) | (12/14) | (9/10) | |
Specificity | |||||
Value (%) | 100 | 100 | 99 | 99 | 0.245 |
True neg/(true neg+false pos) | (96/96) | (94/94) | (85/86) | (90/91) | |
