BAB IV METODOLOGI PENELITIAN
4.8 Analisis Data
4.8. Analisis Data
Analisis data pada penelitian dilakukan dalam 3 tahap : analisis univariabel, bivariabel dan multivariabel
1. Analisis univariabel, bertujuan untuk menggambarkan karakteristik subjek dan variabel penelitian. Hasil analisis univariabel ditampilkan dalam tabel distribusi tunggal. Variabel yang berskala data numerik ditampilkan menggunaka mean dan standar deviasi. Sedangkan variabel yang berskala data kategorikal ditampilkan dalam frekuensi relatif.
2. Analisis bivariabel, bertujuan untuk mengetahui hubungan antara satu variabel bebas dengan satu variabel tergantung. Analisis ini dilakukan dengan cara membuat tabel silang 2 x 2. Kemudian untuk menilai hubungan, dihitung Risk Ratio (RR). Adapun interpretasi dari RR adalah, jika RR > 1, maka variabel bebas merupakan faktor risiko terjadinya variabel tergantung. Uji statistik yang digunakan pada analisis bivariabel ini adalah chi square test pada batas kemaknaan 0.05. Penilaian kemaknaan menggunakan 95%CI dari RR dan nilai p.
3. Analisis multivariabel, analisis ini bertujuan untuk mengetahui pengaruh murni satu variabel bebas terhadap 1 variabel tergantung dengan mengontrol (mengendalikan) variabel bebas lainnya yang juga mempengaruhi variabel tergantung. Analisis ini dilakukan dengan menggunakan uji regressi poisson, dengan cara memasukkan variabel bebas dengan nilai p < 0,250 berdasarkan
hasil analisis bivariabel. Semua variabel, dianalisis bersama – sama dan tidak ada yang dieliminasi. Metode ini disebut sebagai metode Enter. Kemaknaan secara statistik dinilai menggunakan 95% CI dari RR dan nilai p.
Keseluruhan tahap analisis data tersebut menggunakan bantuan perangkat lunak statistik SPSS 21.
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LAMPIRAN 1.
Lembaran Pengumpulan Data
No. Sampel :
FAKTOR-FAKTOR RESIKO YANG MEMPENGARUHI MORTALITAS PASIEN TRAUMA TUMPUL ABDOMEN DI RUMAH SAKIT SANGLAH PERIODE TAHUN 2015
Nama : MRS : No CM : OK : Jenis kelamin : KRS : Usia : Alamat : Prehospital insult : Transport time :
Regio Deskripsi Cedera AIS
(Abbreviated
Injury Scale)
Square Top Three Kepala dan Leher
Wajah Thoraks Abdomen Ekstremitas Eksternal NISS Diagnosis : Tindakan operasi :
Syok : (tax : ° C; N : x/min)
Koagulopati : INR :
Durasi operasi :
Pendarahan durante op :
LAMPIRAN 2.
Skor AIS sebagai dasar ar penghitungan skor NISS Regio Abdomen
LAMPIRAN 3.
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LAMPIRAN 4.