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. 2021 Dec 18;16:3417–3428. doi: 10.2147/COPD.S330976

Table 3.

Comparison of Categorical Predictors Between the Two Groups

Covariates (Potential Predictors) Control Group (n=154) Experimental Group (n=41)
BMI
 ≤23.25kg/m2 36(23.4%) 29(70.7%)
 >23.25kg/m2 118(76.6%) 12(29.3%)
FEV1%pred
 ≤49.75% 82(53.2%) 31(75.6%)
 >49.75% 72(46.8%) 10(24.4%)
ALB
 ≤32.5g/L 39(25.3%) 27(65.9%)
 >32.5g/L 115(74.7%) 14(34.1%)
PaO2
 ≤97mmHg 95(61.7%) 32(78.0%)
 >97mmHg 59(38.3%) 9(22.0%)
CCI score
 ≤2 142(92.2%) 12(29.3%)
 >2 12(7.8%) 29(70.7%)
mMRC score
 ≤2 139(90.3%) 29(70.7%)
 >2 15(9.7%) 12(29.3%)
CAT score
 ≤9 85(55.2%) 11(26.8%)
 >9 69(44.8%) 30(73.2%)
GSRs score
 ≤2 145(94.2%) 22(53.7%)
 >2 9(5.8%) 19(46.3%)
GOLD classification
 GOLD I–II 70(45.5%) 8(19.5%)
 GOLD III–IV 84(54.5%) 33(80.5%)