Influencing factors of false positive in treadmill exercise test

doi:10.3877/cma.j.issn.2095-6568.2017.05.009

Abstract

Abstract:

Objective

To explore the influencing factors of false positive in treadmill exercise test.

Methods

222 treadmill exercise testing positive patients who were undergone coronary angiography within 1 month were studied. Patients were divided into two groups: coronary heart disease group (CHD group, n=143) and non coronary heart disease group (non CHD group, n=79). Clinical manifestations, combined diseases, coronary arteries situations, ultracardiography and treadmill exercise testing datas of these patients were collected and analyzed.

Results

Female gender (P=0.003, OR=11.112, 95%CI 2.258-54.784), age (P=0.016, OR=0.916, 95%CI 0.854-0.984), Bruce level (P=0.006, OR=3.453, 95%CI 1.424-8.373) and ejective fraction (P=0.029, OR=1.103, 95%CI 1.010-1.204) were independent influencing factors of treadmill exercise testing false positive.

Conclusion

Female gender, age, Bruce level and ejective fraction were independent influencing factors of treadmill exercise testing false positive. Meanwhile other atherosclerosis risk factors and parameters of exercise testing (besides Bruce level) could not provided reference to the judgement of false positive.

Key words: Treadmill exercise testing, False positive, Influencing factors

Lan Wang, Danjie Guo, Qianqian Niuya, Lin Xue, Tianhong Zhang, Chunying Han. Influencing factors of false positive in treadmill exercise test[J]. Chinese Journal of Heart and Heart Rhythm(Electronic Edition), 2017, 05(01): 31-34.

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References 10

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影响因素	冠心病组(n＝143)	非冠心病组(n＝79)	P值
女性(%)	18.2	50.6	<0.001
年龄(岁)	58±9	53±9	<0.001
肥胖/超重比例(%)	74.1	54.4	0.004
吸烟(%)	54.5	20.3	<0.001
早发冠心病家族史(%)	7.7	1.3	<0.001
高血压(%)	69.2	46.8	<0.001
糖尿病(%)	35.7	21.5	<0.001
EF(%)	66.6±7.5	70.0±12.9	0.003

影响因素	冠心病组(n＝143)	非冠心病组(n＝79)	P值
女性(%)	18.2	50.6	<0.001
年龄(岁)	58±9	53±9	<0.001
肥胖/超重比例(%)	74.1	54.4	0.004
吸烟(%)	54.5	20.3	<0.001
早发冠心病家族史(%)	7.7	1.3	<0.001
高血压(%)	69.2	46.8	<0.001
糖尿病(%)	35.7	21.5	<0.001
EF(%)	66.6±7.5	70.0±12.9	0.003

平板运动试验结果	冠心病组(n＝143)	非冠心病组(n＝79)	P值
Bruce分级	3(2～3)	3(3～4)	0.014
运动时间(s)	400(249～548)	428(332～572)	0.167
ST段压低程度(mV)	0.20(0.10～0.25)	0.20(0.10～0.25)	0.842
ST段压低持续时间(s)	446(269～555)	425(272～570)	0.913
基线收缩压(mmHg)	127±18	125±19	0.393
基线舒张压(mmHg)	78±11	78±9	0.771
基线心率(次/分)	72±11	75±11	0.079
峰值收缩压(mmHg)	168±22	166±21	0.532
峰值舒张压(mmHg)	84±12	85±13	0.508
峰值心率(次/分)	130±16	142±11	<0.001
ST/HR(μV/bpm)	1.45(0.97～2.07)	1.42(0.84～1.86)	0.330
提前终止比例(%)	37.1%	12.7%	<0.001

平板运动试验结果	冠心病组(n＝143)	非冠心病组(n＝79)	P值
Bruce分级	3(2～3)	3(3～4)	0.014
运动时间(s)	400(249～548)	428(332～572)	0.167
ST段压低程度(mV)	0.20(0.10～0.25)	0.20(0.10～0.25)	0.842
ST段压低持续时间(s)	446(269～555)	425(272～570)	0.913
基线收缩压(mmHg)	127±18	125±19	0.393
基线舒张压(mmHg)	78±11	78±9	0.771
基线心率(次/分)	72±11	75±11	0.079
峰值收缩压(mmHg)	168±22	166±21	0.532
峰值舒张压(mmHg)	84±12	85±13	0.508
峰值心率(次/分)	130±16	142±11	<0.001
ST/HR(μV/bpm)	1.45(0.97～2.07)	1.42(0.84～1.86)	0.330
提前终止比例(%)	37.1%	12.7%	<0.001

影响因素	Wals	Exp(B)	95% CI	P值
女性	8.768	11.112	2.258～54.784	0.003
年龄	5.847	0.916	0.854～0.984	0.016
Bruce分级	7.519	3.453	1.424～8.373	0.006
EF	4.762	1.103	1.010～1.204	0.029

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