1. Bayrak S, Tatar C, Cakar E, et al. Evaluation of the predictive power of laboratory markers in the diagnosis of acute appendicitis in the elderly. North Clin Istanb. 2019;6(3):293-301. doi:10.14744/nci.2019.93457
2. Kalaycı T, Balcı S. Factors affecting morbidity in appendectomy: a single center experience. Turk J Colorectal Dis. 2022;32(1):41-47. doi:10.4274/tjcd.galenos.2021.2021-3-2
3. Vaos G, Zavras N. Update on the diagnosis and treatment of acute appendicitis. J Clin Med. 2024;13(23):7343. doi:10.3390/jcm13237343
4. Schildberg CW, Reissig K, Hunger R, et al. Diagnostic, therapy and complications in acute appendicitis of 19,749 cases based on routine data: a retrospective multicenter observational study. J Clin Med. 2022;11(15):4495. doi:10.3390/jcm11154495
5. Di Saverio S, Podda M, De Simone B, et al. Diagnosis and treatment of acute appendicitis: 2020 update of the WSES Jerusalem guidelines. World J Emerg Surg. 2020;15(1):27. doi:10.1186/s13017-020-00306-3
6. De Almeida Leite RM, Seo DJ, Gomez-Eslava B, et al. Nonoperative vs operative management of uncomplicated acute appendicitis: a systematic review and meta-analysis. JAMA Surg. 2022;157(9):828-834. doi:10.1001/jamasurg.2022.2937
7. Salminen P, Tuominen R, Paajanen H, et al. Five-year follow-up of antibiotic therapy for uncomplicated acute appendicitis in the APPAC randomized clinical trial. JAMA. 2018;320(12):1259-1265. doi:10.1001/jama.2018.13201
8. Gaitanidis A, Kaafarani HM, Christensen MA, et al. Association between NEDD4L variation and the genetic risk of acute appendicitis: a multi-institutional genome-wide association study. JAMA Surg. 2021;156(10):917-923. doi:10.1001/jamasurg.2021.3303
9. Landsteiner K. Agglutination phenomena in normal human blood. Wien Klin Wochenschr. 1901;14:1132-1134.
10. Daniels G, Bromilow I. Essential Guide to Blood Groups. Chichester, UK: Wiley-Blackwell; 2013.
11. Ewald DR, Sumner SC. Blood type biochemistry and human disease. Wiley Interdiscip Rev Syst Biol Med. 2016;8(6):517-535. doi:10.1002/wsbm.1355
12. Daniels G. Human Blood Groups. 2nd ed. Oxford, UK: Blackwell Science; 2002.
13. Cartron JP, Colin Y. Structural and functional diversity of blood group antigens. Transfus Clin Biol. 2001;8(3):163-199. doi:10.1016/S1246-7820(01)00142-2
14. Abegaz SB. Human ABO blood groups and their associations with different diseases. Biomed Res Int. 2021:6629060. doi:10.1155/2021/6629060
15. Keser-Şahin HH, Avcı F, Kulhan M, et al. Investigation of the effect of ABO blood types on the prognosis of endometrioid-type endometrial cancer. Cir Cir. 2024;92(6):808-813. doi:10.24875/ciru.24000061
16. Basta M, Radovanovic Z, Radojicic C. On the association between appendicitis and ABO blood groups. Transfusion. 1986;26(3):305-306. doi:10.1046/j.1537-2995.1986.26386209400.x
17. Cooling L. Blood groups in infection and host susceptibility. Clin Microbiol Rev. 2015;28(3):801-870. doi:10.1128/cmr.00109-14
18. Anstee DJ. The relationship between blood groups and disease. Blood. 2010;115(23):4635-4643. doi:10.1182/blood-2010-01-261859
19. Ravn V, Dabelsteen E. Tissue distribution of histo-blood group antigens. APMIS. 2000;108(1):1-28. doi:10.1034/j.1600-0463.2000.d01-1.x
20. Salduz Z, Çetin G, Karatoprak C, et al. ABO and Rh blood group distribution in İstanbul province (Turkey). Istanbul Med J. 2015;16(3): 103-107.
21. Kader Ç, Yolcu S, Doğan B, Pınarbaşlı M, İlanbey B, Erbay A. ABO and Rh blood groups distribution in Yozgat city, Turkey. J Clin Exp Invest. 2014;5(2):169-172.
22. Gutiérrez-Valencia M, Leache L, Librero J, et al. ABO blood group and risk of COVID-19 infection and complications: a systematic review and meta-analysis. Transfusion. 2021;62(2):493-503. doi:10.1111/trf.16748
23. Butler EA, Parikh R, Grandi SM, et al. ABO and Rh blood groups and risk of infection: systematic review and meta-analysis. BMC Infect Dis. 2023;23(1):797. doi:10.1186/s12879-023-08792-x
24. Blohs M, Robinson PJ, Kompella P, et al. Acute appendicitis manifests as two microbiome state types with oral pathogens influencing severity. Gut Microbes. 2023;15(1):2145845. doi:10.1080/19490976.2022.2145845
25. Aiyoshi T, Kakihara T, Watanabe E, et al. Unique microbial profiles and severity-associated alterations in the peritoneal fluid of children with acute appendicitis. J Infect Chemother. 2025;31(8):102761. doi:10.1016/j.jiac.2025.102761
26. Sagor MS, Islam T, Tamanna NT, et al. The functional landscape of the appendix microbiome under conditions of health and disease. Gut Pathog. 2025;17(1):38. doi:10.1186/s13099-025-00696-2
27. Bandyopadhyay A, Sarkar D, Das A, et al. Intersections of ABO blood group, secretor status, and the gut microbiome: implications for disease susceptibility and therapeutics. Arch Microbiol. 2025;207(11):296. doi:10.1007/s00203-025-04515-9
28. Jajosky RP, Wu SC, Zheng L, et al. ABO blood group antigens and differential glycan expression: perspective on the evolution of common human enzyme deficiencies. iScience. 2023;26(1):105798. doi:10.1016/j.isci.2022.105798
29. Zietz M, Zucker J, Tatonetti NP. Associations between blood type and COVID-19 infection, intubation, and death. Nat Commun. 2020;11(1): 5761. doi:10.1038/s41467-020-19623-x
30. Reilly JP, Meyer NJ, Shashaty MGS, et al. ABO blood type A is associated with increased risk of ARDS in whites following both major trauma and severe sepsis. Chest. 2014;145(4):753-761. doi:10.1378/chest.13-1962
31. Özozan ÖV, Vural V. High C-reactive protein level as a predictor for appendiceal perforation. Ulus Travma Acil Cerrahi Derg. 2020;26(1):63-66. doi:10.14744/tjtes.2019.14799
32. Zengin A, Bağ YM, Öğüt MZ, et al. The role of C-reactive protein/albumin ratio and prognostic nutritional index in the diagnosis of complicated acute appendicitis. Turk J Surg. 2024;40(1):54-60. doi:10. 47717/turkjsurg.2024.6301
33. Zhao X, Yang J, Li J. The predictive value of the C-reactive protein/albumin ratio in adult patients with complicated appendicitis. J Lab Med. 2023.
34. Turkes GF, Unsal A, Bulus H. Predictive value of immature granulocyte in the diagnosis of acute complicated appendicitis. PLoS One. 2022; 17(12):e0279316. doi:10.1371/journal.pone.0279316
35. Korkut M, Bedel C, Selvi F. Are immature granulocytes and derivatives early predictors of acute appendicitis and acute complicated appendicitis in adults? Formos J Surg. 2020;53(4):123-127. doi:10.4103/fjs.fjs_111_19
36. Tullavardhana T, Sanguanlosit S, Chartkitchareon A. Role of platelet indices as a biomarker for the diagnosis of acute appendicitis and as a predictor of complicated appendicitis: a meta-analysis. Ann Med Surg (Lond). 2021;66:102448. doi:10.1016/j.amsu.2021.102448
37. Gwin JC, Rangnekar N, Murray GP, et al. O blood type is not associated with worse coagulopathy or outcome in exsanguinating trauma. Am J Surg. 2024;234:117-121. doi:10.1016/j.amjsurg.2024.03.021