Table 1.
Sex, education, FEV1%, and years of diagnosis.
| Age | Education (years) | FEV1% | Years of diagnosis | ||
|---|---|---|---|---|---|
| Male | Mean | 65.0179 | 10.5268 | 40.7428* | 8.9118 |
| N = 112 | |||||
| Std. deviation | 8.04602 | 4.02013 | 20.20831 | 6.01195 | |
|
| |||||
| Female | Mean | 63.6563 | 11.9063 | 52.2203* | 8.0588 |
| N = 32 | |||||
| Std. deviation | 7.74017 | 4.02700 | 22.43287 | 9.28352 | |
|
| |||||
| Total | Mean | 64.7153 | 10.8333 | 43.2379 | 8.6275 |
| N = 144 | |||||
| Std. deviation | 7.97256 | 4.04866 | 21.16720 | 7.18320 | |
COPD staging per GOLD criteria: mild: N = 12, moderate: N = 27, severe: N = 60, very severe: N = 45.
*t-test P < 0.05.