Table 1.
Baseline Characteristics of Patients in the Training, Internal Validation and External Validation Dataset
| Training Cohort (n=275) | P | Internal Validation Cohort (n=119) | External Validation Cohort (n=122) | ||||
|---|---|---|---|---|---|---|---|
| Unruptured (n=128) | Raptured (n=147) | Unruptured (n=55) | Raptured (n=64) | Unruptured (n=50) | Raptured (n=72) | ||
| Age | 64.37±12.51 | 57.69±11.28 | <0.001 | 62.67±12.05 | 56.14±11.48 | 69.08±10.06 | 58.61±15.29 |
| Sex | 0.731 | ||||||
| Male | 54(42.2%) | 59(40.1%) | 24(43.6%) | 29(45.3%) | 23(46.0%) | 22(30.6%) | |
| Female | 74(57.8%) | 88(59.9%) | 31(56.4%) | 35(54.7%) | 27(54.0%) | 50(69.4%) | |
| Hypertension | 0.018 | ||||||
| Presence | 80(62.5%) | 71(48.3%) | 31(56.4%) | 22(34.4%) | 35(70.0%) | 33(45.8%) | |
| Absence | 48(37.5%) | 76(51.7%) | 24(43.6%) | 42(65.6%) | 15(30.0%) | 39(54.2%) | |
| Smoking | 0.287 | ||||||
| Presence | 35(27.3%) | 32(21.8%) | 10(18.2%) | 12(18.8%) | 16(32.0%) | 13(18.1%) | |
| Absence | 93(72.7%) | 115(78.2%) | 45(81.8%) | 52(81.2%) | 34(68.0%) | 59(81.9%) | |
| Coronary artery disease | 0.001 | ||||||
| Presence | 1(0.8%) | 1(0.7%) | 0 | 0 | 13(26.0%) | 18(25.0%) | |
| Absence | 127(99.2%) | 146(99.3%) | 55(100%) | 55(100%) | 37(74.0%) | 54(75.0%) | |
| Ischemic stroke | 0.158 | ||||||
| Presence | 2(1.6%) | 0(0.0%) | 2(3.6%) | 2(3.1%) | 7(14.0%) | 3(4.2%) | |
| Absence | 126(98.4%) | 147(100.0%) | 53(96.4%) | 62(96.9%) | 43(86.0%) | 69(95.8%) | |
| Multiplicity | <0.001 | ||||||
| Presence | 48(37.5%) | 20(13.6%) | 22(40.0%) | 11(17.2%) | 8(16.0%) | 15(20.8%) | |
| Absence | 80(62.5%) | 127(86.4%) | 33(60.0%) | 53(82.8%) | 42(84.0%) | 57(79.2%) | |
| Location | <0.001 | ||||||
| ICA | 37(28.9%) | 14(9.5%) | 8(14.5%) | 39(4.7%) | 18(36%) | 5(6.9%) | |
| AcoA | 27(21.1%) | 60(40.8%) | 16(29.1%) | 27(42.2%) | 8(16%) | 27(37.5%) | |
| PcoA | 28(21.9%) | 54(36.7%) | 17(30.9%) | 17(26.5%) | 15(30%) | 31(43.1%) | |
| MCA | 28(21.9%) | 14(9.5%) | 10(18.2%) | 14(21.9%) | 7(14%) | 6(8.3%) | |
| Others | 8(6.2%) | 5(3.5%) | 4(7.3%) | 3(4.7%) | 2(4%) | 3(4.2%) | |