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. Author manuscript; available in PMC: 2007 Aug 22.
Published in final edited form as: J Clin Endocrinol Metab. 2006 Jun 13;91(9):3432–3438. doi: 10.1210/jc.2005-2810

TABLE 1.

Summary of final status of participants and characteristics of menstrual calendar data by cohort

TREMIN
(n = 735)
 MWMHP
(n = 216)
 SMWHS
(n = 279)
 SWANa
(n = 2270)
n % n % n % n %
Final status
 FMP observed 211 28.7 42 19.4 52 18.6 132 5.8
 Hysterectomy 68 9.3 11 5.1 9 3.2 17 0.8
 Still menstruating 0 0    53 24.5 34 12.2 953 42.0
 Stopped calendar/still menstruating 119 16.2 48 22.2 86 30.8 187 8.2
 Endometrial ablation 0 0    3 1.4 0 0    0 0   
 Began hormone therapy 334 45.4 59 27.3 94 33.7 981 43.2
 Began radiation/chemotherapy 3 0.4 0 0    4 1.4 0 0   
No. of bleeding segments
 Median 145 36 69 35
 Maximum 321 107 190 91
Intermittent missing
 Proportion with any missing data 301 41.0 90 41.7 141 50.5 1159 51.1
 Median number of gaps 2 2 2 2
a

Analysis to date of the SWAN calendar is based on the first 6 yr of menstrual calendar data.