Table 3.
Results of sensitivity analysis for propensity score adjustment analysis in the overall cohort.
| LEV | FPHT | Odds ration or β coefficient | ||
|---|---|---|---|---|
| Outcomes | (n = 1,403) | (n = 4,264) | (95% CI) | P-value |
| In hospital mortality, n (%) | 71 (5.1) | 196 (4.6) | 1.00 (0.75, 1.34) | 0.99 |
| Death within 24 h | 1 (0.1) | 16 (0.4) | 0.19 (0.02, 1.48) | 0.11 |
| Length of hospital stay, days, mean (SD) | 22 (26) | 23 (31) | −1.94 (−3.97, 0.09) | 0.061 |
| Total hospitalization cost, USD, mean (SD) | 9,615 (10,596) | 9,691 (11,907) | −492 (−1,274, 290) | 0.22 |
| Japan Coma Scale at discharge, n (%) | ||||
| Alert | 773 (55) | 2,421 (57) | 1.00 (0.88, 1.14) | 0.96 |
| Confusion | 498 (36) | 1,432 (34) | 1.01 (0.88, 1.17) | 0.88 |
| Somnolence | 44 (3.1) | 147 (3.4) | 0.84 (0.58, 1.20) | 0.34 |
| Coma | 17 (1.2) | 68 (1.6) | 0.71 (0.42, 1.22) | 0.21 |
| Mechanical ventilation on the day of admission | 184 (13) | 600 (14) | 0.93 (0.77, 1.14) | 0.51 |
| Vasopressor use on the day of admission | 46 (3.3) | 183 (4.3) | 0.69 (0.50, 0.97) | 0.034 |
The outcomes in the overall cohort are shown. Results of sensitivity analyses is consistent with results obtained from the main analysis. SD, standard deviation; LEV, levetiracetum; FPHT, fosphenytoin; CI, confidence interval; USD, United States dollars.