Article Figures & Data
Figures
- Figure 1
- Forest plot of clinical characteristics based on multivariate logistic regression analysis.
Tables
- Table 1
- Results of univariate analysis on cerebral edema following aneurysm clipping [n (%)]
Factors Complication group (n=33) Non-complication group (n=199) χ2 P Gender Male 18 (54.55) 105 (52.76) 0.036 0.849 Female 15 (45.45) 94 (47.24) Age ≥50 years 17 (51.52) 101 (50.75) 0.007 0.935 <50 years 16 (48.48) 98 (49.25) Bleeding frequency Once 10 (30.30) 121 (60.80) 10.713 0.001 Recurrent 23 (69.70) 78 (39.20) Location of aneurysm Anterior circulation 12 (36.36) 127 (63.82) 8.884 0.003 Posterior circulation 21 (63.64) 72 (36.18) Number of aneurysms Single 15 (45.45) 103 (51.76) 0.450 0.502 Multiple 18 (54.55) 96 (48.24) Aneurysm diameter ≥10 cm 17 (51.52) 100 (50.25) 0.018 0.893 <10 cm 16 (48.48) 99 (49.75) Fisher grade I-II 15 (45.45) 142 (71.36) 8.681 0.003 III-IV 18 (54.55) 57 (28.64) WFNS grade I 14 (42.42) 140 (70.35) 9.892 0.002 II 19 (57.58) 59 (29.65) Hunt-Hess grade I-II 10 (30.30) 125 (62.81) 12.297 <0.001 III-IV 23 (69.70) 74 (37.19) Hypertension Yes 18 (54.55) 62 (31.16) 6.854 0.009 No 15 (45.45) 137 (68.84) Diabetes mellitus Yes 11 (33.33) 42 (21.11) 2.401 0.121 No 22 (66.67) 157 (78.89) Coronary heart disease Yes 10 (30.30) 40 (20.10) 1.743 0.187 No 23 (69.70) 159 (79.90) Time from onset to surgery ≥12h 20 (60.61) 70 (35.18) 7.709 0.005 <12h 13 (39.39) 129 (64.82) Hematoma Yes 22 (66.67) 56 (28.14) 18.826 <0.001 No 11 (33.33) 143 (71.86) WFNS: World Federation of Neurosurgical Societies.
- Table 2
- Results of multivariate logistic regression analysis on cerebral edema following aneurysm clipping.
Variables β Standard error Wald P-value Odds ratio 95% confidence interval Recurrent bleeding 1.297 0.522 6.174 0.013 3.658 1.315~10.177 Location of aneurysm as in the posterior circulation 1.319 0.498 7.015 0.008 3.740 1.409~9.925 Fisher grade III-IV 1.429 0.501 8.136 0.004 4.175 1.564~11.145 Hunt grade III-IV 1.428 0.548 6.790 0.009 4.170 1.425~12.208 WFNS grade II 1.529 0.429 12.703 0.000 4.614 1.990~10.696 Concomitant hypertension 1.248 0.485 6.621 0.010 3.483 1.346~9.012 Time from onset to surgery ≥12 h 1.318 0.446 8.733 0.003 3.736 1.559~8.955 Combined hematoma 1.429 0.512 7.790 0.005 4.175 1.530~11.388 WFNS: World Federation of Neurosurgical Societies
- Table 3
- Predictive efficiency of combination of risk factors for cerebral edema following aneurysm clipping.
Risk factor Cerebral edema Total Yes No Positive 30 4 34 Negative 3 195 198 Total 33 199 232
