XXX Congresso Nazionale della Società Scientifica FADOI | 10-12 maggio 2025
25 August 2025
Vol. 19 No. 1.online (2025): XXX Congresso Nazionale FADOI | 10-12 maggio 2025

P23 | Synodic moon, emergency department arrivals and medical ward admissions

A. Bosio1, E. Ferreri2, L. Valentini1, G. Imperiale1 | 1Medicina Interna, Ospedale Martini, Torino, 2Dipartimento Emergenza Accettazione, Ospedale Martini, Torino, Italy

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Premises and Purpose of the study: It’s commonly believed that full moon (FM) can affect health: few studies have confirmed this, most have not. Study aim is to evaluate FM effect on Arrival in Emergency Room (A), Triage Severity Score at arrival (TSS), ER Length of Stay (LS) in days, number of Death in ER (D), number of Medical Admission (MA), compared with New Moon (NM),1st quarter (1Q), last quarter (LQ).
Materials and Methods: Cohort retrospective observational study, Martini Hospital Turin. Examined all consecutive A in 13 FM, 12 NM, 12 1Q, 12 LQ of year 2023. Evaluated in each lunar phase: number of A, TSS (1 to 5 points based on attributed color code at A), LS, D, MA. Data compared by descriptive analysis, t-test, χ2-test.
Results: Full sample (FS) 2954 patients, age 58.10±22.65 years, male (M) 48.81%. Total A: FM 750 (M 47.2%), 1Q 744 (M 47.58%), LQ 715 (M 51.05%), NM 744 (M 49.53%)
Single day A: FS 60.29, FM 57.69, 1Q 62, LQ 62.08, NM 59.58. TSS: FS 2.49±0.77, FM 2.51±0.76, 1Q 2.53±0.8, LQ 2.47±0.77, NM 2.45±0.75. LS: FS 0.74±1.35, FM 0.68±1.31, 1Q 0.8±1.39, LQ 0.74±1.32, NM 073±1.38. MA: FS 455, FM 111, 1Q 119, LQ 104, NM 121. D: FS 39, FM 11, FQ 7, LQ 9, NM 12. Statistical analysis showed no significant effect on evaluated clinical parameters by FM when compared with other moon phases.
Conclusions: Our study showed no FM influence on data collected when compared with other moon phases: this is consistent with most of previous works.
Limits: small sample; single day data collection in each lunar phase; TSS based on subjective evaluation; LS possibly affected by discharge difficulty.

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P23 | Synodic moon, emergency department arrivals and medical ward admissions: A. Bosio1, E. Ferreri2, L. Valentini1, G. Imperiale1 | 1Medicina Interna, Ospedale Martini, Torino, 2Dipartimento Emergenza Accettazione, Ospedale Martini, Torino, Italy. (2025). Italian Journal of Medicine, 19(1.online). https://doi.org/10.4081/