. 2020 Feb 21;8:e8636. doi: 10.7717/peerj.8636

Table 1. Participant recruitment in CHCCS.

	Centenarians	Near-centenarians	Total
Age inclusion criteria	Over 100 years old	80–100 years old	–
Recruited	1,004	803	1,807
Men: N (%)	176 (17.53%)	326 (40.60%)	502 (27.78%)
Women: N (%)	828 (82.47%)	477 (59.40%)	1,305 (72.22%)
Both basic information and blood biochemical index are available	966	787	1,753
Men: N (%)	175 (18.12%)	316 (40.15%)	491 (28.00%)
Women: N (%)	791 (81.88%)	471 (59.85%)	1,262 (72.00%)

Notes.

Abbreviations