Associations between long-term ozone exposure and small airways function in Chinese young adults: a longitudinal cohort study

Table 2 Description of lung function stratified by sex and BMI in 2020 and 2021

Variables	FVC (ml)	FEV1 (ml)	FEF25 (ml/s)	FEF50 (ml/s)	FEF75 (ml/s)	FEF25-75 (ml/s)
During 2020
Sex
Male	3708.8 ± 744.4	3514.9 ± 642.4	6836.3 ± 1762.2	5442.3 ± 1361.3	3436.2 ± 1093.4	5066.5 ± 1246.7
Female	2728.0 ± 573.9	2606.2 ± 514.2	4840.1 ± 1377.2	4093.7 ± 1049.2	2736.6 ± 818.4	3832.6 ± 963.6
BMI
< 24 kg/m²	3052.2 ± 767.7	2913.8 ± 694.8	5512.7 ± 1772.5	4544.0 ± 1325.1	3007.9 ± 995.6	4258.7 ± 1221.9
≥ 24 kg/m²	3510.3 ± 868.8	3307.0 ± 761.8	6389.2 ± 1924.9	5153.9 ± 1415.1	3162.5 ± 1049.9	4756.0 ± 1292.8
During 2021
Sex
Male	4068.7 ± 597.7	3761.6 ± 495.2	7154.5 ± 1629.2	5354.8 ± 1347.0	3102.4 ± 1044.7	4900.8 ± 1212.1
Female	2913.0 ± 438.7	2729.9 ± 368.0	4962.1 ± 1155.3	3975.4 ± 903.5	2465.4 ± 731.9	3686.2 ± 822.1
BMI
< 24 kg/m²	3296.7 ± 727.1	3085.7 ± 641.1	5715.1 ± 1686.9	4449.5 ± 1250.4	2734.5 ± 921.9	4123.2 ± 1135.8
≥ 24 kg/m²	3828.4 ± 769.9	3503.4 ± 653.8	6616.7 ± 1819.8	5354.8 ± 1416.7	2780.2 ± 988.2	4537.7 ± 1256.8

ISSN: 1465-993X