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'functions.': [25], 'single': [29], 'most': [30], 'significant': [31], 'risk': [32], 'factor': [33], 'contributing': [34], 'development': [37], 'of': [38, 53, 80, 203, 214, 256, 293, 373, 397], 'Chronic': [39], 'obstructive': [40], 'airway': [41, 58], 'diseases': [42], '(COPD).': [43], 'Spirometry': [44, 168], 'by': [45, 56, 218], 'trained': [47], 'health': [48, 55], 'professional': [49], 'gives': [50], 'an': [51, 288, 369], 'indication': [52], 'lung': [54], 'measuring': [57, 143], 'abnormality.': [59], 'Objectives': [60], 'were': [61, 99, 113, 116, 133, 197, 231, 237], 'study': [63, 77, 191], 'function': [65, 261], 'test': [66, 262], '(PFT)': [67, 263], 'smokers': [69, 89, 232, 254, 297, 339, 346, 388], 'non-smokers': [71, 92, 238, 330, 390], 'between': [72, 93, 359], '30-50': [73, 94], 'years': [74, 95, 224, 342, 350, 361], 'correlation': [79], 'PFT': [81, 247, 277, 290, 324, 333], 'with': [82, 104, 122, 287, 304, 340, 348, 368], 'pack': [83, 341, 349], 'years.Methods:': [84], 'Apparently': [85], 'healthy': [86], 'subjects,': [87], '50': [88, 91, 258, 310], 'without': [96], 'any': [97], 'symptoms': [98], 'included': [100], 'as': [101, 199], 'subjects.': [102, 200], 'Patients': [103, 121], 'uncontrolled': [105], 'hypertension,': [106], 'recent': [107], 'myocardial': [108], 'infarction': [109], 'TB': [112], 'excluded.': [114, 135], 'Ex-smokers': [115], 'excluded': [117], 'from': [118, 380], 'study.': [120], 'acute': [123], 'respiratory': [124, 150], 'illness,': [125, 128], 'severe': [126], 'systemic': [127], 'chest': [129], 'trauma': [130], 'dementia': [132], 'also': [134], 'After': [136], 'proper': [137], 'history': [138], 'taking': [139], 'clinical': [141], 'examination,': [142], 'height': [144], 'weight': [146], '(vitals,': [147], 'pulse': [148], 'rate,': [149, 151], 'blood': [152], 'pressure)': [153], 'selected': [155], 'individual': [156], 'was': [157, 169, 176, 264, 325, 334], 'subjected': [158], 'spirometry': [160], 'using': [161, 171, 178], 'ATS': [162], 'criteria': [163], '(American': [164], 'Thoracic': [165], 'Society': [166], 'criteria).': [167], 'performed': [170], 'UNI-EM': [172], 'spirometer.': [173], 'Collected': [174], 'data': [175, 280], 'analyzed': [177], 'Statistical': [179], 'Package': [180], 'for': [181, 394], 'Social': [183], 'Service': [184], '(SPSS)': [185], 'software': [186], 'version': [187], '17.Results:': [188], 'In': [189, 240, 309], 'this': [190], '94': [192], 'males': [193, 358], '6': [195, 345], 'females': [196], 'enrolled': [198], 'Maximum': [201], 'number': [202], 'patient': [205], '49': [206, 229], 'cases': [207, 220, 242, 268, 295, 303, 313], '(49%)': [208], 'presented': [209], 'age': [212, 225, 362], 'group': [213], '30-35': [215, 360], 'years,': [216], 'followed': [217], '23': [219], '(23%)': [221], '36-40': [223], 'group.': [226, 363], 'Of': [227], 'these': [228], 'cases,15': [230], 'while': [233, 270], 'rest': [235], '34': [236], '(P=0.0007).': [239], '100': [241, 294], 'studied,': [243], '39%': [244], 'showed': [245, 306], 'normal': [246, 317], '61%': [249], 'shows': [250], 'abnormal': [251, 265, 276, 289, 307, 370], 'PFT.': [252, 308, 371], 'Among': [253], '(out': [255], 'total': [257], 'cases)': [259], '36': [267], '(72%)': [269], 'non-smokers,': [272, 299], '25': [273, 328], '(50%)': [274, 329], 'had': [275, 316], '(P-value-0.024).': [278], 'This': [279], 'indicates': [281], 'that': [282], 'highly': [285, 366], 'associated': [286, 367], 'pattern.': [291], 'Out': [292], 'both': [296, 387], '11': [300], '(73.33%)': [301], 'underweight': [302], '(BMI<18.4)': [305], 'smokers,': [311], 'maximum': [312], '29': [314], '(58%)': [315], 'BMI': [318], '(18.5-22.9)': [319], '(P': [320], 'value': [321], '0.0002).': [322], 'Abnormal': [323, 332], 'observed': [326], '(P=0.001).': [331], 'seen': [335], '30': [337], '(69.77%)': [338], '<15': [343], '(85.6%)': [347], '>15': [351], '(P-value': [352], '0.383).Conclusions:': [353], 'common': [356], 'Cessation': [372], 'should': [375], 'be': [376, 392], 'encouraged': [377], 'PFTs': [379], 'time': [381, 383], 'asymptomatic': [385], 'adults': [386], 'will': [391], 'useful': [393], 'early': [395], 'identification': [396], 'abnormalities.': [398]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2622230984', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2024-12-09T03:12:54.764069', 'created_date': '2017-06-15'}