Table 3.
T -test 4 | Equality of Variance (F-test) | |||||
---|---|---|---|---|---|---|
Factor | Category | N | Mean (SD) | t-value (P) /(95% CI) | F-value (P) | Degree of Freedom |
All | ALL | 74 | 85.4(16.7) | (81.6 , 89.3) | - | - |
EEG | Abnormal EEG | 30 | 80.6 (19.8) | −1.95 (0.06) | 2.17 (0.02) | 29, 43 |
Normal EEG | 44 | 88.7 (13.4) | ||||
Focality | Focal | 54 | 84.6 (16.9) | −0.70 (0.49) | 1.07 (0.90) | 53, 19 |
Not Focal | 20 | 87.7 (16.3) | ||||
Insurance1 | Government Assistance | 36 | 83.5 (18.9) | −1.34 (0.18) | 2.36 (0.01) | 35, 35 |
Self-Insured | 36 | 88.5 (12.3) | ||||
MRI2 | Abnormal MRI | 18 | 82.2 (18.3) | −0.95 (0.34) | 1.25 (0.52) | 17, 54 |
Normal MRI | 55 | 86.5 (16.3) | ||||
Prior Development |
Abnormal | 7 | 69.2 (15.6) | −2.83 (0.01) | 1.05 (1.00) | 66, 6 |
Normal | 67 | 87.1 (15.9) | ||||
Recurrence of Epilepsy in 1 year |
No Onset of Epilepsy | 66 | 86.3 (16.1) | 1.64 (0.11) | 1.61 (0.32) | 6, 65 |
Onset of Epilepsy | 7 | 75.5 (20.4) | ||||
Recurrence of SE in 1 year |
No Recurrent SE | 70 | 86.0 (16.2) | 1.22 (0.23) | 2.22 (0.19) | 3, 69 |
Recurrent SE | 4 | 75.6 (24.1) | ||||
Gender | Female | 31 | 84.6 (18.5) | −0.35 (0.73) | 1.45 (0.27) | 30, 42 |
Male | 43 | 86.0 (15.4) |
Missing 2 in insurance status;
Missing 1 in MRI;
Missing 1 in follow up
If F-test was significant, Satterthwaite method is used, otherwise Pooled method is used in SAS analysis