表2.
指标 | 基线 | 随访1年 | |||||||
---|---|---|---|---|---|---|---|---|---|
≥80%组 (n=267) | <80%组 (n=60) | Z/t值 | P值 | ≥80%组 (n=213) | <80%组 (n=45) | Z/t值 | P值 | ||
FVC%pred ( ) | 103±12 | 104±10 | -0.828 | 0.408 | 102±11 | 103±11 | -0.943 | 0.346 | |
FEV1%pred ( ) | 104±12 | 98±10 | -0.906 | <0.001 | 102±11a | 99±11 | 1.563 | 0.119 | |
PEF%pred [M(P 25, P 75)] | 101.5(92.6, 110.1) | 97.1(89.1, 103.7) | -2.837 | 0.005 | 98.9(90.3, 108.5) | 96.3(88.2, 104.3) | -1.547 | 0.122 | |
FEF50%pred [M(P 25, P 75)] | 87.0(77.6, 99.8) | 72.0(66.0, 76.4) | -8.225 | <0.001 | 84.4(75.6, 97.1) | 76.4(67.0, 81.9)a | -3.532 | <0.001 | |
FEF75%pred [M(P 25, P 75)] | 68.8(58.3, 82.1) | 52.8(45.2, 59.6) | -7.594 | <0.001 | 68.2(55.9, 83.5) | 56.3(50.5, 66.8)a | -3.872 | <0.001 | |
MMEF%pred [M(P 25, P 75)] | 84.8(73.9, 95.2) | 66.0(59.6, 71.0) | -8.943 | <0.001 | 81.2(70.9, 94.9) | 72.1(63.9, 78.1)a | -3.906 | <0.001 |
注:[FVC]用力肺活量;[FEV1]第1秒用力呼气量;[PEF]呼气流量峰值;[FEF50]用力呼出50%肺活量的呼气流量;[FEF75]用力呼出75%肺活量的呼气流量;[MMEF]最大呼气中期流量。a示与同组基线水平比较,P<0.05。