Table 4. Error rates of the sparse partial least-squares model for discrimination of subgroups generated from the discovery cohort, when applied to the replication cohort.

	CD vs. HCs	UC vs. HCs	UC vs. CD	L2 CD vs. L1/L3 CD	UC vs. L1/L3 CD	UC vs. L2 CD	CD Remission vs. HCs	UC Remission vs. HCs	CD Remission vs. UC Remission
Error rate	0.42	0.38	0.38	0.27	0.61	0.22	0.28	0.27	0.46

UC, ulcerative colitis; CD, Crohn’s disease; HCs, healthy controls; L2 CD, colonic Crohn’s disease; L1/L3 CD, ileal/ileocolonic Crohn’s disease; CD remission, Crohn’s disease patients in clinical remission; UC remission; ulcerative colitis patients in clinical remission.