Socio-demographic characteristics | UIP group (n = 23) | Control group (n = 25) | Test of sig. | P | ||
---|---|---|---|---|---|---|
Age (years) | T | |||||
Mean ± SD | 65.09 ± 6.01 | 62.87 ± 3.99 | 1.47 | 0.14 | ||
Sex | No. | % | No. | % | χ2 | |
Male | 16 | 69.6 | 15 | 60 | 0.3 | |
Female | 7 | 30.4 | 10 | 40 | 0.84 | |
Smoking history | ||||||
Non-smoker | 11 | 47.8 | 13 | 52 | 0.47 | 0.9 |
Mild | 3 | 13.1 | 4 | 16 | ||
Moderate | 5 | 21.7 | 4 | 16 | ||
Heavy | 4 | 17.4 | 4 | 16 | ||
IGFBP1 in serum (mmol/l) | ||||||
Mean ± SD | 274.5 ± 31.1 | 83.4 ± 7.6 | 28.5 | 0.000* | ||
IGFBP2 in serum (mmol/l) | ||||||
Mean ± SD | 256.2 ± 54.5 | 83.8 ± 11.6 | 14.8 | 0.000* |