. Author manuscript; available in PMC: 2021 Dec 29.

Published in final edited form as: Pancreatology. 2018 May 19;18(5):528–535. doi: 10.1016/j.pan.2018.05.482

Table 2.

Number of AA subjects in the NAPS2 cohort.

Years	All NAPS2 studies	NAPS2 (Original)	NAPS2 Continuation and Validation (NAPS2-CV)	NAPS2 Ancillary Study (NAPS2-AS)
	2000–2014	2000–2006	2008–2012	2011–2014
Number of centers	21	14	8	8
Subjects enrolled	566	123	63	380
Controls	268 (47)	41 (33)	1 (2)	226 (59)
RAP	50 (9)	24 (20)	6 (10)	20 (5)
CP	248 (44)	58 (47)	56 (89)	134 (35)
Subjects with genetic test results^*	515	104	58	353
Controls^**	238 (46)	30 (29)	1 (2)	207 (59)
RAP	45 (9)	21 (20)	5 (9)	19 (5)
CP	232 (45)	53 (51)	52 (90)	127 (36)

AA – African ancestry; CP – chronic pancreatitis; NAPS2 – North American Pancreatitis Study; RAP – recurrent acute pancreatitis.

Final sample size for the present study.

^**

Excludes family controls.