Table 2:

Study participant data organized by age group

	Control	IIH
Total No.	86	29
Sex	M: 41; F: 45	M: 11; F: 28
Age range	4 mo-16 yr	24 mo-17 yr
	(mean, 8.1 yr; median, 7.7 yr)	(mean, 10.1 yr; median, 11.5 yr)
Group I: 0–3 yr
No.	15	4
ONSD (avg)	3.1 mm	4.35 mm
SD	0.23 mm	0.7 mm
CI (95%)	0.12 mm	0.69 mm
Group II: 3–6 yr
No.	20	6
ONSD (avg)	3.41 mm	4.37 mm
SD	0.42 mm	0.57 mm
CI (95%)	0.18 mm	0.46 mm
Group III: 6–12 yr
No.	32	5
ONSD (avg)	3.55 mm	4.25 mm
SD	0.38 mm	0.32 mm
CI (95%)	0.13 mm	0.28 mm
Group IV: 12–18 yr
No.	19	14
ONSD (avg)	3.56 mm	4.69 mm
SD	0.32 mm	0.7 mm
CI (95%)	0.14 mm	0.37 mm

Note:—avg indicates average; CI, confidence interval.