Table 3

Dose and duration of analgesic use and risk of ESRD: All analgesics.



Short duration
Long Duration





Cases/controls
OR (95% CI)*
Cases/controls
OR (95% CI) *

Low dose
All analgesics
123/580
0.78 (0.63–0.97)
36/216
0.62 (0.43–0.89)

All monos together1
106/529
0.74 (0.59–0.93)
31/200
0.57 (0.39–0.85)

All combis together2
49/264
0.69 (0.50–0.95)
19/84
0.84 (0.51–1.40)
High Dose
All analgesics
70/214
1.21 (0.91–1.61)
132/582
0.84(0.67–1.05)

All monos together1
60/194
1.14 (0.84–1.55)
117/531
0.82(0.65–1.03)

All combis together2
29/88
1.22 (0.79–1.88)
71/268
0.99 (0.74–1.33)

1 Cases and controls that never used mono-analgesics were not shown in this table (47 cases, 138 controls for the group "all monos"

2 Cases and controls that never used combination-analgesics were not shown in this table (193 cases, 888 controls for the group "all combis"

Unmatched analysis; index date 3 (5 years before start of dialysis); adjusted odds ratios (OR) and 95% confidence intervals (95% CI); adjusted for age, sex, country.

The cut-off point for higher/lower use and shorter/longer duration is the respective median found in controls; compared with the standard reference group with exposure to less than one tablet or unit dose of any phenacetin-free analgesic compound per month across all 12-months periods in the observed lifetime) as referent (= 1.0): 546 cases and 2030 controls.

van der Woude et al. BMC Nephrology 2007 8:15   doi:10.1186/1471-2369-8-15