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. 2022 Apr 13;13:878294. doi: 10.3389/fneur.2022.878294

Figure 1.

Figure 1

Cohort identification. A total of 5,955 patients with infantile spasms (IS) were identified in Pediatric Hospital Information System (PHIS) using ICD-9 codes. We then filtered for medications and timeframe, performed propensity score matching, and finally, 986 patients were selected for analyses (493 in each drug cohort). IS, Infantile Spasms; ph, phecode; n, number of patients. *The dataset indicated for Wilcoxon-Mann-Whitney test is queried using match results.