The Natural History and Predictors for Intervention in Patients with Small Renal Mass Undergoing Active Surveillance

Table 3

Growth rate of SRMs as seen in several studies.

Study	Year	Number of lesions	Number of patients	Mean mass size (cm)	Mean growth rate (cm/year)	Mean follow-up (months)
Chawla et al. [10]^‡	2006	234	NA	2.6	0.28	34
Kunkle et al. [11]	2007	106	89	2.0^*	0.19^*	29^*
Jewett et al. [12]	2011	151	82	2.1	0.13	28
Mason et al. [13]	2011	84	82	2.3^*	0.25^*	36^*
Smaldone et al. [14]^‡	2012	284	259	2.3	0.31	33.5
Current study	2015	78	70	1.9	0.17	34

NA: not available. ^*Median. ^‡Review article.