Table I. Baseline information (age and time in freezer) for the two cohorts of women with invasive cervical cancer (Umeå Biobank, UM, Uppsala biobank, UC), and population controls (KA) used in the analysis, and the samples from the prospective study from UM.

	Discovery cohort		Replication cohort
	Population controls (KA)**	Cancer cohort (UC)	Prospective	Cancer cohort (UM)
Number of samples	50	90	440	90
Age at sample collection
Minimum	20	22.6	29.8	25.3
Maximum	86	86.4	73.8	96.9
Mean	58.4	46.5	52.3	60.8
Standard deviation	17.6	15.2	9.0	18.1
Sample storage time in freezer*
Minimum	12	4.2	4	7
Maximum	12	8.9	30	13.7
Mean	12	6.4	17.7	10.3
Standard deviation	0	1.3	5.5	1.9

Notes: * Sample storage time in freezer until January 1, 2001.

** All samples were collected at one time point (2016) and stored for 8 years at −80 °C.