Table 4. Correlation of Th17% with FEV1% predicted depending on time between lung function testing and blood sampling.

Group (no.)	Age years median (range)	% male	Th17% Spearman r (p-value)*	Treg% Spearman r (p-value)
All (32)	19.5 (6–53)	59%	–0.56 (0.0008)	–0.42 (0.016)
FEV1% predicted test on same day as blood sampling (10)	22 (10–53)	70%	–0.85 (0.003)	–0.60 (0.07)
FEV1% predicted test within 1 week of blood sampling (16)	22 (10–53)	63%	–0.86 (< 0.0001)	–0.62 (0.01)
FEV1% predicted test within 2 weeks of blood sampling (21)	20 (10–53)	67%	–0.72 (0.0003)	–0.49 (0.02)
FEV1% predicted test more than 2 weeks from blood sampling (11)	11 (6–38)	45%	0.49 (0.12)	–0.35 (0.29)

*P-values indicating significant differences are shown in bold.