Parameters | Age (years) | Gender | FEV1 (liters) | % FEV1 | 6-minute walk (feet) | Number of hospitalizations |
---|---|---|---|---|---|---|
GROUP 1 (N=144) | M: 72 SD: 10.11 | Female: 69 (47.9%) Male: 75 (52%) N: 144 | M: 1.54 SD: 0.6436 N: 126 | M:56.584 SD: 20.968 N: 138 | M: 802.80 SD: 325.54 N: 143 | M: 0.80 SD: 1.11 N: 129 |
GROUP 2 (N=133) | M: 67.81 SD 9.85 | Female: 82 (62%) Male: 52 (48%) N:134 | M: 1.5075 SD: 0.6004 N: 110 | M:54.88 SD: 20.70 N: 130 | M: 703.77 SD: 297.86 N: 126 | M: 1.29 SD: 1.67 N:112 |
P value | 0.005 | Chi square <0.05 | 0.6901 | 0.5041 | 0.0101 | 0.0142 |
N: number of subjects; M: mean, SD: standard deviation, FEV1: forced expiratory volume in one second.