Table 2. Patient assessment, follow-up and outcomes N=148.

	RMI/RCOG (n=73) n (%)	SRMP (n=75) n (%)
Protocol assessment classification
Protocol=Benign	29 (39.7%)	70 (93.3%)
Protocol=Indeterminate	43 (58.9%)	4 (5.3%)
Protocol=Malignant	1 (1.4%)	1 (1.3%)
Protocol=Surgery	44 (60.3%)	5 (6.7%)
Study completion
Completed 4 months	72 (98.6%)	75 (100%)
Completed 8 months	69 (94.5%)	70 (93.3%)
Completed 12 months of study	68 (93.2%)	68 (90.7%)
Surgical management
Surgery ⩽1 year	18 (24.7%)	7 (9.3%)
Declined/unfit for surgery	26 (35.6%)	0

Abbreviations: RCOG=Royal College of Obstetricians and Gynaecologists guideline; RMI=Risk of Malignancy Index; SRMP=Simple Rules Management Protocol.