HUBUNGAN ANTARA MASA KERJA DENGAN KEJADIAN SINDROM TEROWONGAN KARPAL PADA PASIEN DI RUMAH SAKIT UMUM SILOAM LIPPO VILLAGE Latar belakang: Masa kerja merupakan salah satu pemicu gangguan muskuloskeletal akibat kerja. Proporsi carpal tunnel syndrome ditemukan pada pekerja dengan masa kerja lebih dari 4 tahun dibanding pada pekerja dengan masa kerja kurang dari 4 tahun. Pekerja yang memiliki masa kerja lebih dari 4 tahun memiliki risiko yang lebih besar untuk menderita carpal tunnel syndrome. Tujuan penelitian: Mengetahui hubungan antara masa kerja dengan kejadian sindrom terowongan karpal pada pasien di Rumah Sakit Umum Siloam, Lippo Village Metode penelitian: Penelitian ini merupakan studi analisa dengan desain studi potong lintang pada pasien di Rumah Sakit Umum Siloam, Lippo Village sebagai populasi sampel penelitian. Sampel dipilih menggunakan fixed-disease sampling. Data penelitian diperoleh dari hasil rekam medis, wawancara bersama pasien, dan pemeriksaan elektromiografi. Hasil penelitian kemudian diolah menggunakan metode chi-square. Hasil: Dari total 68 sampel yang terkumpul, ditemukan hubungan yang signifikan antara masa kerja dengan kejadian sindrom terowongan karpal pada sampel penelitian dengan nilai Odds Ratio yang didapat sebesar 10,551 dan nilai p: 0,00 yang berarti masa kerja merupakan faktor risiko dari munculnya keluhan carpal tunnel syndrome Kesimpulan: Terdapat hubungan yang signifikan antara masa kerja dengan kejadian sindrom terowongan karpal pada pasien di Rumah Sakit Umum Siloam Lippo Village Kata Kunci: masa kerja, sindrom terowongan karpal/THE ASSOCIATION BETWEEN WORKING TIME AND THE INCIDENCE OF CARPAL TUNNEL SYNDROME IN PATIENT AT SILOAM GENERAL HOSPITAL LIPPO VILLAGE Background:. Working time is one of the triggers for work-related musculoskeletal disorders. The proportion of carpal tunnel syndrome was found in workers with more than 4 years of service compared to workers with less than 4 years of service. Workers with more than 4 years of service have a greater risk of CTS than workers with 1 to 4 years of service. Objectives: To evaluate the association between working time and the incidence of Carpal Tunnel Syndrome in patient at Siloam General Hospital Lippo Village. Methods:This study starts on January 2023 and utilizes a cross-sectional study design with the patients at Siloam General Hospital, Lippo Village as the sample population.The samples were selected by using fixed-disease sampling. The research data were obtained through the medical record, interview with patient, and electromyography test. Results will be processed using the chi-square method. Results: From a total of 68 samples that were collected, a significant relationship was found between the certain types of work and the incidence of carpal tunnel syndrome in the study sample with OR = 10.551and p-value 0.00 which means working time is a risk factor for carpal tunnel syndrome. Conclusions: There is a significant association between working time and the incidence of carpal tunnel syndrome in patient at Siloam General Hospital Lippo Village Keyword: working time, carpal tunnel syndrome