Table 2.

 A frequency of C reactive protein quartiles among AMD and non-AMD subjects and associated odds ratios and 95% confidence intervals

	C reactive protein groups
	<0.93 mg/l	0.93–1.77 mg/l	1.78–3.04 mg/l	3.05–107.97 mg/l
AMD (n)	97	98	99	95
Without AMD (n)	593	573	580	583
OR (95% CI)*	1.0	1.05 (0.77–1.42)	1.04 (0.77–1.41)	1.00 (0.73–1.35)
OR (95% CI)†	1.0	1.06 (0.78–1.44)	1.05 (0.77–1.42)	1.09 (0.80–1.49)
OR (95% CI)‡	1.0	1.14 (0.82–1.60)	1.24 (0.88–1.75)	1.24 (0.87–1.78)

AMD, age related macular degeneration; n, number; OR, odds ratio; CI, confidence intervals.

*Unadjusted.

†Adjusted for age, sex, and race.

‡Adjusted for all variables appearing in table 1.