Table 3.

Maternal early gestational C-reactive protein (CRP) levels by decile in childhood autism cases and matched controls

CRP by decile (%), [Range (mg/dl)]	Cases (N, %)	Controls (N, %)	OR (95% CI)	p
≤10 (0.10–0.57)	71 (10.5%)	45 (6.5%)	1	NA
11–20 (0.58–0.92)	66 (9.7%)	74 (10.9%)	1.76 (1.06–2.92)	0.03
21–30 (0.93–1.31)	68 (10.0%)	51 (7.5%)	1.15 (0.70–1.89)	0.58
31–40 (1.32–1.77)	66 (9.7%)	61 (9.0%)	1.51 (0.89–2.57)	0.13
41–50 (1.78–2.42)	69 (10.2%)	69 (10.2%)	1.62 (0.98–2.66)	0.06
51–60 (2.43–3.18)	68 (10.0%)	73 (10.8%)	1.68 (1.02–2.78)	0.04
61–70 (3.19–4.33)	66 (9.7%)	80 (11.8%)	1.92 (1.17–3.14)	0.01
71–80 (4.34–5.83)	69 (10.2%)	60 (8.9%)	1.37 (0.83–2.26)	0.22
81–90 (5.84–9.54)	67 (9.9%)	89 (13.1%)	2.08 (1.28–3.40)	0.003
91–100 (9.55–88.90)	67 (9.9%)	75 (11.1%)	1.80 (1.09–2.97)	0.02