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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Arthritis Rheum. 2008 Aug;58(8):2296–2306. doi: 10.1002/art.23610

Table 1.

ASI scores on day 21 after initiation of PIA in rats*

Rat strain Median
(25%–75% CI)
ASI		 P, versus DA
rats
DA (n = 14) 37.5 (16.0–85.0) –
F344 (n = 7) 0 <0.001
DA.F344(Cia4) (n = 4) 2.5 (1.0–4.0) 0.013
DA.F344(Cia5d) (n = 10) 5.0 (2.0–20.0) 0.005
DA.ACI(Cia10) (n = 8) 3.0 (1.0–5.5) 0.002
*

ASI = arthritis severity index; PIA = pristane-induced arthritis; CI = confidence interval.