Silvia Moler Zapata

Antibiotics as first-line alternative to appendicectomy in adult appendicitis: 90-day follow-up from a prospective, multicentre cohort study

Hannah Javanmard‐Emamghissi, Marianne Hollyman, Hannah Boyd‐Carson et al. · British journal of surgery · 2021 · 47 citations · Full text

Medicine, Surgery, Antimicrobial Pharmacotherapy +10

Effectiveness of emergency surgery for five common acute conditions: an instrumental variable analysis of a national routine database

Andrew Hutchings, Stephen O’Neill, David G. Lugo‐Palacios et al. · Anaesthesia · 2022 · 24 citations · Full text

Medicine, Emergency Medicine, Surgery +15

Local Instrumental Variable Methods to Address Confounding and Heterogeneity when Using Electronic Health Records: An Application to Emergency Surgery

Silvia Moler Zapata, Richard Grieve, David G. Lugo‐Palacios et al. · Medical Decision Making · 2022 · 14 citations · Full text

Pharmacy, Emergency Medicine, Surgery +17

How does a local instrumental variable method perform across settings with instruments of differing strengths? A simulation study and an evaluation of emergency surgery

Silvia Moler Zapata, Richard Grieve, Anirban Basu et al. · Health Economics · 2023 · 14 citations · Full text

Public Health, Biostatistics, Surgery +17

Variation in the rates of emergency surgery amongst emergency admissions to hospital for common acute conditions

Andrew Hutchings, Silvia Moler Zapata, Stephen O’Neill et al. · BJS Open · 2021 · 13 citations · Full text

Medicine, Emergency Medicine, Surgery +14