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. Author manuscript; available in PMC: 2014 Jan 9.
Published in final edited form as: J Am Geriatr Soc. 2011 Aug 1;59(8):10.1111/j.1532-5415.2011.03511.x. doi: 10.1111/j.1532-5415.2011.03511.x

Table 3.

Distribution of Change in Postvoid Residual (PVR) Volume Over 1 and 2 Years

Number (percentage) of participants
PVR increase ≥ 50 mL PVR increase of 25–49 mL PVR increase of 1–24 mL No change in PVR PVR decrease of 1–24 mL PVR decrease of 25–49 mL PVR decrease ≥ 50 mL
Change from baseline to 1 year (N=843) 64 (7.6%) 40 (4.7%) 175 (20.8%) 137 (16.3%) 224 (26.6%) 75 (8.9%) 128 (15.2%)
Change from baseline to 2 years (N=771) 107 (13.9%) 65 (8.4%) 144 (18.8%) 108 (14.0%) 166 (21.5%) 67 (8.7%) 113 (14.7%)