Comparison of Measurement of Central Corneal Thickness with Spectral Domain Optical Coherence Tomography and Standard Ultrasonic Pachymeter in Premature Infants

Table 2

Comparison of 3 measurements by SD-OCT in 28 premature infants and mean of 10 measurements by USP.

		Mean	Std. dev.	95% confidence interval (lower–upper)		value
SD-OCT 1	28	552	58	510	584
SD-OCT 2	28	549	58	507	581
SD-OCT 3	28	548	57	506	580
USP	28	576	69	528	603	<0.001