Clinical diagnostics
In the score population (n = 725), based on the initial physical examination in the emergency care unit, the on-duty surgeons considered appendicitis to be likely in 241, possible in 355, and improbable in 129 patients. Of those 241 patients considered likely appendicitis, 188 (78.0%) had appendicitis. Of the 355 considered possible appendicitis patients 145 (40.8%), and of the 129 considered improbable appendicitis patients, 10 (7.8%) turned out to have appendicitis. Among 241 patients considered likely appendicitis, 142 (58.9%) patients had score 16 or higher. Out of these patients 133 (93.7%) had appendicitis. Whereas in 99 patients with clinically considered likely appendicitis but score below 16, only 55 (55.6%) patients had appendicitis. Eighty-one (22.8%) out of 355 patients with clinically considered possible appendicitis had score 16 or higher. Sixty-three (77.8%) out of these had appendicitis.
A total of 421 patients were operated on for suspected appendicitis, comprising of 207 patients in the high probability category according to the new score, 176 in the intermediate probability group, and 38 in the low probability group. Of the appendectomies in the high probability group, 4.3% (9 of 207), in the intermediate probability group 27.2% (48 of 176), and in low probability group 63.1% (24 of 38) were negative.
The performance of the new score was compared to the performance of diagnostics after the initial physical examination only, within 6 hours of the initial physical examination, and within 24 hours of the initial examination. In all three comparisons, scoring 16 or higher with the new score had significantly better specificity (Table 4).
Clinical diagnosticsIn the score population (n = 725), based on the initial physical examination in the emergency care unit, the on-duty surgeons considered appendicitis to be likely in 241, possible in 355, and improbable in 129 patients. Of those 241 patients considered likely appendicitis, 188 (78.0%) had appendicitis. Of the 355 considered possible appendicitis patients 145 (40.8%), and of the 129 considered improbable appendicitis patients, 10 (7.8%) turned out to have appendicitis. Among 241 patients considered likely appendicitis, 142 (58.9%) patients had score 16 or higher. Out of these patients 133 (93.7%) had appendicitis. Whereas in 99 patients with clinically considered likely appendicitis but score below 16, only 55 (55.6%) patients had appendicitis. Eighty-one (22.8%) out of 355 patients with clinically considered possible appendicitis had score 16 or higher. Sixty-three (77.8%) out of these had appendicitis.A total of 421 patients were operated on for suspected appendicitis, comprising of 207 patients in the high probability category according to the new score, 176 in the intermediate probability group, and 38 in the low probability group. Of the appendectomies in the high probability group, 4.3% (9 of 207), in the intermediate probability group 27.2% (48 of 176), and in low probability group 63.1% (24 of 38) were negative.The performance of the new score was compared to the performance of diagnostics after the initial physical examination only, within 6 hours of the initial physical examination, and within 24 hours of the initial examination. In all three comparisons, scoring 16 or higher with the new score had significantly better specificity (Table 4).
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