Table 4:

Impact of collection order on the clinical performance for assessed sample collection techniques

SARS-CoV-2 positivity rate according to	Collection order
	NP -> TN -> SG (number of positives/total)	TN -> NP -> SG (number of positives/total)	p-value
NP	77/157 (49.04%)	67/149 (44.97%)	0.475
SG	79/155 (50.97%)	65/149 (43.62%)	0.199
TN	78/146 (53.42%)	66/147 (44.90%)	0.144
FCIP	83/160 (51.88%)	68/151 (45.03%)	0.228

Note: Buccal-bilateral nares collections are not captured in this table due to low sample sizes

NP = nasopharyngeal swab; SG = saline gargle; TN = throat-bilateral nares; FCIP = final clinical test interpretation