Publication Information

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'https://openalex.org/W2293819614'], 'abstract_inverted_index': {'Objective': [0], 'To': [1], 'investigate': [2], 'the': [3, 6, 18, 80, 95, 104, 125, 137, 147], 'significance': [4], 'of': [5, 9, 21, 42, 90, 141, 150], 'combined': [7], 'detection': [8], 'anti-cyclic': [10], 'citrullinated': [11, 48], 'peptide(CCP)': [12, 49], 'antibody': [13, 50, 68, 82, 131], 'and': [14, 115, 129, 139], 'rheumatoid': [15, 22], 'factor(RF)': [16], 'in': [17, 88, 132], 'early': [19, 148], 'diagnosis': [20, 89, 149], 'arthritis(RA).Methods': [23], '100': [24], 'patients': [25], 'diagnosed': [26], 'with': [27, 101, 106], 'RA': [28, 65, 142], 'were': [29, 32], 'randomly': [30], 'selected,who': [31], 'admitted': [33], 'to': [34, 38, 121], 'hospital': [35], 'from': [36], '2008': [37], '2009,and': [39], '50': [40], 'cases': [41], 'healthy': [43], 'people': [44], 'as': [45], 'control': [46], 'group,Anti-cyclic': [47], 'was': [51, 58, 71, 75, 93, 109], 'detected': [52, 59], 'by': [53, 60], 'enzyme-linked': [54], 'immunosorbent': [55], 'assay(ELISA),and': [56], 'RF': [57, 87, 105, 128], 'rate': [61, 70, 74], 'nephelometry': [62], 'method.Results': [63], 'In': [64], 'group,the': [66], 'anti-CCP': [67, 81, 96, 130], 'positive': [69], '67%,while': [72], 'RF-positive': [73], '78%.Comparative': [76], 'analysis': [77], 'showed': [78], 'that': [79], 'had': [83, 98], 'lower': [84], 'sensitivity': [85, 138], 'than': [86, 103], 'RA,the': [91], 'difference': [92, 108], 'significant(P0.05).But': [94], 'antibodies': [97], 'higher': [99], 'specificity': [100, 116, 140], '96.0%': [102], '88.0%,the': [107], 'also': [110], 'significant(P0.05).Sensitivity': [111], 'can': [112, 117, 134], 'be': [113, 118], 'increased': [114, 120], 'event': [119], '100%': [122], 'when': [123], 'combining': [124], 'two': [126], 'detections.Conclusion': [127], 'combination': [133], 'further': [135], 'improve': [136], 'diagnosis,which': [143], 'is': [144], 'beneficial': [145], 'for': [146], 'RA.': [151]}, 'cited_by_api_url': 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