Data dictionary for Chapter 5, MIMIC Books aline_flg: IAC used (binary, 1 = year, 0 = no) icu_los_day: length of stay in ICU (days, numeric) hospital_los_day: length of stay in hospital (days, numeric) age: age at baseline (years, numeric) gender_num: patient gender (1 = male; 0=female) weight_first: first weight, (kg, numeric) bmi: patient BMI, (numeric) sapsi_first: first SAPS I score (numeric) sofa_first: first SOFA score (numeric) service_unit: type of service unit (character: FICU, MICU, SICU) service_num: service as a numeric (binary: 0 = MICU or FICU, 1 = SICU) day_icu_intime: day of week of ICU admission (character) day_icu_intime_num: day of week of ICU admission (numeric, corresponds with day_icu_intime) hour_icu_intime: hour of ICU admission (numeric, hour of admission using 24hr clock) hosp_exp_flg: death in hospital (binary: 1 = yes, 0 = no) icu_exp_flg: death in ICU (binary: 1 = yes, 0 = no) day_28_flg: death within 28 days (binary: 1 = yes, 0 = no) mort_day_censored: day post ICU admission of censoring or death (days, numeric) censor_flg: censored or death (binary: 0 = death, 1 = censored) sepsis_flg: sepsis present (binary: 0 = no, 1 = yes -- absent (0) for all) chf_flg: Congestive heart failure (binary: 0 = no, 1 = yes) afib_flg: Atrial fibrillation (binary: 0 = no, 1 = yes) renal_flg: Chronic renal disease (binary: 0 = no, 1 = yes) liver_flg: Liver Disease (binary: 0 = no, 1 = yes) copd_flg: Chronic obstructive pulmonary disease (binary: 0 = no, 1 = yes) cad_flg: Coronary artery disease (binary: 0 = no, 1 = yes) stroke_flg: Stroke (binary: 0 = no, 1 = yes) mal_flg: Malignancy (binary: 0 = no, 1 = yes) resp_flg: Respiratory disease (non-COPD) (binary: 0 = no, 1 = yes) map_1st: Mean arterial pressure (mmHg, numeric) hr_1st: Heart Rate (numeric) temp_1st: Temperature (F, numeric) spo2_1st: S_pO_2 (%, numeric) abg_count: arterial blood gas count (number of tests, numeric) wbc_first: first White blood cell count (K/uL, numeric) hgb_first: first Hemoglobin (g/dL, numeric) platelet_first: first Platelets (K/u, numericL) sodium_first: first Sodium (mEq/L, numeric) potassium_first: first Potassium (mEq/L, numeric) tco2_first: first Bicarbonate (mEq/L, numeric) chloride_first: first Chloride (mEq/L, numeric) bun_first: first Blood urea nitrogen (mg/dL, numeric) creatinine_first: first Creatinine (mg/dL, numeric) po2_first: first PaO_2 (mmHg, numeric) pco2_first: first PaCO_2 (mmHg, numeric) iv_day_1: input fluids by IV on day 1 (mL, numeric)