Table 1:

Baseline characteristics of study groups

Type of InterpretationNo. of Studies (%)Mean Aneurysm Size (IRQ) (mm)P ValueInitially Ruptured Aneurysms (%)P ValueMean Follow-Up Duration (IRQ) (mo.)P ValueBare Platinum-Coiled Aneurysms (%)P Value
Noncore laboratory96 (92.3)7.8 (9.5).9111,844/17,631 (67.2).0719.7 (67.4).1813,100/19,385 (67.6).16
Core laboratory8 (7.7)7.6 (0)853/2232 (38.2)11.2 (2.5)1072/2749 (39)
Single-reader73 (70.2)7.8 (7.9).729018/14,578 (61.9).0815.9 (45.4).0210,044/16,127 (62.3).39
Multiple-reader31 (29.8)7.6 (6.0)3679/5285 (69.6)25.5 (66.0)4128/6007 (68.7)
  • IRQ indicates interquartile range.