Table 4.

PMPE protocols with sensitivities in the range from 57–96% for estimates of periodontitis prevalence and their associated relative biases for estimates of severity and extent.

PMPEs	Number of probing sites	Reference	Sensitivity (%)		Relative bias – Severity*		Relative bias – Extent**
			CAL	PD	CAL	PD	CAL	PD
CPITN 6	60	Benigeri et al., 2000		88
		Kingman et al., 2002		96
		Vettore et al., 2007			0.148	0.127	0.317	0.374
		Silness et al., 1988				0.105
Full mouth 2	56	Susin et al., 2005	86
		Kingman et al., 2002	66	85	0.009	−0.035
		Kingman et al., 2008			−0.035	−0.074
NHANES IV	42	Susin et al., 2005	80
		Kingman et al., 2002	66	85	−0.09	0.05
		Kingman et al., 2008			−0.034	−0.048
		Vettore et al., 2007			−0.01	−0.012	−0.007	−0.029
		Beck et al., 2006			−0.024	−0.054
Ramfjord	36	Dowsett et al., 2002	92	90	0.01	−0.014	0.016	−0.06
		Kingman et al., 2002	68	77	0.043	0.01
		Kingman et al., 2008			0.028	−0.017
		Beck et al., 2006			0.003	−0.009
		Munghamba et al., 2004				0
		Owen et al., 2003			0.036	−0.025
NHANES III	28	Susin et al., 2005	75
		Kingman et al., 2002	57	73	−0.09	−0.03
		Kingman et al., 2008			−0.023	−0.072
		Beck et al., 2006			−0.032	−0.116

Negative and positive relative bias means under/overestimation of FMPE estimates