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. Author manuscript; available in PMC: 2017 Jul 3.
Published in final edited form as: Clin Gastroenterol Hepatol. 2014 Jan 29;12(9):1514–21.e3. doi: 10.1016/j.cgh.2014.01.034

Table 2.

HRs of AKI in OSP Users Compared With PEG Users

Crude
Adjusted
PS matched
N Events (%) HR 95% CI HR 95% CI N Events (%) HR 95% CI
Whole sample PEG 429,430 1354 (0.3) 121,203 283 (0.2)
Sodium phosphate 121,266   241 (0.2) 0.63 0.55–0.72 0.86 0.75–0.99 121,203 241 (0.2) 0.85 0.72–1.01
With CKD PEG       5201   194 (3.7)        788   22 (2.8)
Sodium phosphate         791     22 (2.8) 0.74 0.48–1.15 0.91 0.58–1.42        788   22 (2.8) 1.00 0.55–1.80
≥60 y PEG 198,486   989 (0.5)   45,803 172 (0.4)
Sodium phosphate   45,895   152 (0.3) 0.67 0.56–0.79 0.83 0.70–0.99   45,803 152 (0.3) 0.88 0.71–1.10
With diabetes PEG   68,371   558 (0.8)   15,101   99 (0.7)
Sodium phosphate   15,117     74 (0.5) 0.60 0.47–0.76 0.77 0.60–0.98   15,101   73 (0.5) 0.74 0.54–1.00
With kidney stones PEG     7969     45 (0.6)     2202   13 (0.6)
Sodium phosphate     2210     10 (0.5) 0.80 0.41–1.60 1.01 0.49–2.07     2202   10 (0.5) 0.77 0.34–1.76
Hypercalciuria PEG     1864     10 (0.5)       547     2 (0.4)
Sodium phosphate       558       5 (0.9) 1.67 0.57–4.88 2.80 0.84–9.29       547     5 (0.9) 2.50 0.49–12.89
On NSAIDs PEG 118,078   408 (0.4) 33,300   77 (0.2)
Sodium phosphate   33,321     73 (0.2) 0.63 0.49–0.81 0.84 0.65–1.08 33,300   73 (0.2) 0.95 0.69–1.31
On thiazides PEG 108,878   564 (0.5) 28,433 126 (0.4)
Sodium phosphate   28,468     96 (0.3) 0.65 0.52–0.81 0.82 0.66–1.02 28,433   95 (0.3) 0.75 0.58–0.95

NSAID, nonsteroidal anti-inflammatory drug.