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'https://openalex.org/W1975255731'], 'abstract_inverted_index': {'Introduction:': [0], 'Elevated': [1], 'red': [2], 'cell': [3], 'distribution': [4], 'width': [5], '(RDW)': [6], 'is': [7, 23, 36], 'associated': [8, 24], 'with': [9, 25, 67, 129, 190, 200, 218, 234, 294], 'mortality': [10, 26], 'in': [11, 27, 38, 48, 72, 100, 143, 194, 236, 292, 301], 'a': [12, 78, 96], 'variety': [13], 'of': [14, 64, 95, 110, 122, 150, 162, 176, 192, 257, 270], 'respiratory': [15, 34, 295], 'conditions.': [16], 'Recent': [17], 'data': [18], 'also': [19], 'suggest': [20], 'that': [21, 215, 287], 'RDW': [22, 44, 66, 104, 123, 184, 221, 235, 258, 291, 302], 'intensive': [28], 'care': [29], 'unit': [30], '(ICU)': [31], 'patients.': [32, 74], 'Although': [33], 'failure': [35], 'common': [37], 'the': [39, 41, 49, 62, 120, 144, 148, 180, 195, 237, 274, 284], 'ICU,': [40], 'relationship': [42], 'between': [43], 'and': [45, 92, 159, 171, 198, 259, 268, 297], 'pulmonary': [46], 'outcomes': [47], 'ICU': [50, 73, 111, 216], 'has': [51], 'not': [52], 'been': [53], 'previously': [54], 'explored.': [55], 'Therefore,': [56], 'our': [57, 281], 'goal': [58], 'was': [59, 105, 116, 185, 205], 'to': [60, 118, 224, 231, 279, 289, 306], 'investigate': [61, 119], 'association': [63, 121, 256], 'admission': [65, 160, 220], '30-day': [68, 130, 228, 260], 'ventilator-free': [69], 'days': [70], '(VFDs)': [71], 'Methods:': [75], 'We': [76, 252], 'performed': [77], 'retrospective': [79], 'analysis': [80, 115, 213], 'from': [81, 90], 'an': [82, 254], 'ongoing': [83], 'prospective,': [84], 'observational': [85], 'study.': [86], 'Patients': [87], 'were': [88, 222], 'recruited': [89], 'medical': [91], 'surgical': [93], 'ICUs': [94], 'large': [97], 'teaching': [98], 'hospital': [99], 'Boston,': [101], 'Massachusetts.': [102], 'The': [103], 'assessed': [106], 'within': [107], '1': [108], 'hour': [109], 'admission.': [112], 'Poisson': [113, 211], 'regression': [114, 212], 'used': [117, 305], '(normal:': [124], '11.5%-14.5%': [125], 'vs': [126], 'elevated:': [127], '>14.5%)': [128], 'VFD,': [131, 261], 'while': [132], 'controlling': [133, 263], 'for': [134, 264, 276], 'age,': [135], 'sex,': [136], 'race,': [137], 'body': [138], 'mass': [139], 'index,': [140], 'Nutrition': [141], 'Risk': [142], 'Critically': [145], 'Ill': [146], 'score,': [147], 'presence': [149], 'chronic': [151], 'lung': [152], 'disease,': [153], 'Pao': [154], '2': [155, 157], '/Fio': [156], 'ratio,': [158], 'levels': [161], 'hemoglobin,': [163], 'mean': [164], 'corpuscular': [165], 'volume,': [166], 'phosphate,': [167], 'albumin,': [168], 'C-reactive': [169], 'protein,': [170], 'creatinine.': [172], 'Results:': [173], 'A': [174], 'total': [175], '637': [177], 'patients': [178, 193, 217, 293], 'comprised': [179], 'analytic': [181], 'cohort.': [182], 'Mean': [183], '15': [186], '(standard': [187], 'deviation': [188], '4%),': [189], '53%': [191], 'normal': [196, 238], 'range': [197, 239], '47%': [199], 'elevated': [201, 219, 290], 'levels.': [202], 'Median': [203], 'VFD': [204], '16': [206], '(interquartile': [207], 'range:': [208], '6-25)': [209], 'days.': [210], 'demonstrated': [214], 'likely': [223], 'have': [225], '32%': [226], 'lower': [227], 'VFDs': [229], 'compared': [230], 'their': [232], 'counterparts': [233], '(incidence': [240], 'rate': [241], 'ratio:': [242], '0.68;': [243], '95%': [244], 'confidence': [245], 'interval:': [246], '0.55-0.83:': [247], 'P': [248], '<': [249], '.001).': [250], 'Conclusions:': [251], 'observed': [253], 'inverse': [255], 'despite': [262], 'demographics,': [265], 'nutritional': [266], 'factors,': [267], 'severity': [269], 'illness.': [271], 'This': [272], 'supports': [273], 'need': [275], 'future': [277], 'studies': [278], 'validate': [280], 'findings,': [282], 'understand': [283], 'physiologic': [285], 'processes': [286], 'lead': [288], 'failure,': [296], 'determine': [298], 'whether': [299], 'changes': [300], 'may': [303], 'be': [304], 'support': [307], 'clinical': [308], 'decision-making.': [309]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2419596632', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 5}, {'year': 2020, 'cited_by_count': 5}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 3}], 'updated_date': '2024-12-08T22:48:59.028068', 'created_date': '2016-06-24'}