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第44卷第8期 陈幼花,李瑞久,倪艾珺,等. COPD患者6MWT下指脉氧特点及运动耐力相关因素分析[J].
2024年8月 南京医科大学学报(自然科学版),2024,44(8):1082-1091 ·1085 ·
表1 对照组和COPD组的一般资料的组间差异分析
Table 1 the comparison of background data betweenthe control and the COPD
Index Control group(n=21) COPD group(n=58) Statistical value P
Sex[n(%)] -04.23 ## <0.040
Male 13(61.9) .0050(86.2)
Female 08(38.1) .0008(13.8)
Age(years,x ± s) 66.05 ± 7.61 65.55 ± 8.32 -03.79 ## <0.812
BMI(kg/m ,x ± s) 23.74 ± 1.69 22.66 ± 3.31 -18.07 ## <0.157
2
Smoking index[pack⁃years,M(P25,P75)] 0(0,9.50) 30.00(8.75,45.00) 0-4.37 ## <0.001
mMRC[n(%)] 0-3.62 ## <0.001
0 grade 15(71.4) .0013(22.4)
1 grade 05(23.8) .0028(48.3)
2 grade 0 .0011(13.9)
3 grade 1(4.8) .0007(8.9)
2
without#:F value in analysis of variance(ANOVA);#:Z value in Mann⁃Whitney U test;##:χ value in Chi⁃square test by Yates’correction for
continuity. BMI:body mass index;smoking index:product of cigarettes smoked per day and years of smoking.
表2 COPD临床资料的组间差异分析
Table 2 The comparison of clinical data among COPD subgroups
Index COPD⁃A group(n=23)COPD⁃B group(n=17)COPD⁃C group(n=18)Statistical value P
Smoking index[pack⁃years,M(P25,P75)] 40.00(10.00,60.00) 00(0,20.00) b 32.50(13.75,50.00) 12.919 # 0.002
CAT[scores,M(P25,P75)] 07.00(4.00,9.00) 5.50(2.25,17.25) 4.50(2.75,10.25) 00.563 # 0.755
FEV1%Pred(%,x ± s) 51.86 ± 18.58 52.02 ± 15.44 54.09 ± 14.97 00.105 # 0.900
FVC%Pred(%,x ± s) 73.57 ± 11.43 74.16 ± 11.73 71.25 ± 11.86 00.316 # 0.731
DLCO%Pred(%,x ± s) 46.17 ± 20.94 51.64 ± 18.28 49.01 ± 16.35 00.308 # 0.737
DLCO/VA%Pred(%,x ± s) 56.35 ± 25.68 66.85 ± 24.65 67.01 ± 20.05 01.216 # 0.306
Inhaled drugs[n(%)] 00.167 # 0.920
Ⅰ 04(17.4) 05(29.4) 05(29.4)
Ⅱ 04(17.4) 0 1(5.6)
Ⅲ 14(60.9) 11(64.7) 12(66.7)
Ⅳ 1(4.3) 1(5.9) 0
COPD⁃A group:only COPD;COPD⁃B group:COPD with other chronic respiratory diseases(such as asthma,bronchiectasis or pulmonary tuberculo⁃
sis);COPD⁃C group:COPD with hypertension,diabetes or cardiovascular disease;without#:F value in ANOVA;#:H value in Kruskal⁃Wallis H test;b:
compared with COPD⁃A group,P < 0.05(by used least significant difference for pair⁃wise multiple comparisons).
表 3 COPD⁃A 组和 COPD⁃C 组二维超声心动图参数的组
2.3 COPD患者运动SpO2和运动耐力的相关性分析
间差异
Table 3 The comparison of echocardiography parameters 对总样本进行运动耐力、SpO2与 COPD 其他常
between COPD⁃A group and COPD⁃C group 用评估指标的相关性分析显示,SpO2min、SpO2mean、
(x ± s) DA、DDR 、6MWD%Pred 均与 FEV1%Pred、FVC%
①
COPD⁃A group COPD⁃C group Pred 相关;其中,SpO2min、DDR 、6MWD%Pred 还与
①
Index t P
(n=10) (n=14)
DLCO%Pred、DLCO/VA%Pred相关,SpO2mean、DA、DDR 、
①
LAD(mm) 34.30 ± 4.74 34.42 ± 4.66 -0.062 0.951
①
6MWD%Pred还与mMRC评分相关,DDR 、6MWD%
LVDd(mm) 46.90 ± 5.49 45.88 ± 5.39 -0.447 0.660
IVS(mm) 09.67 ± 1.12 10.00 ± 0.58 -0.822 0.429 Pred 与 CAT 评分相关;而仅 6MWD%Pred 与 SpO2rest
无相关(表6)。纳入mMRC 评分、CAT 评分、FEV1%
LVPW(mm) 09.40 ± 0.97 09.75 ± 0.79 -0.968 0.344
LVEF(%) 62.47 ± 3.09 64.73 ± 2.30 -2.062 0.051 Pred、FVC%Pred、DLCO%Pred、DLCO/VA%Pred 构建
①
E/A 00.71 ± 0.11 00.75 ± 0.21 -0.519 0.610 DDR 的逐步多因素线性回归分析,结果显示mMRC
①
E/e′ 08.02 ± 1.46 07.90 ± 1.66 -0.144 0.888 评分、DLCO%Pred 和 SpO2rest对 DDR 的影响差异有