Table 4.

Comparison of dry eye between patients with and without NOSPECS classification.

	Patients with NOSPECS (n = 89) (mean ± SD)	Patients without NOSPECS (n = 21) (mean ± SD)	P
OSDI	33.3 ± 19.2	32.6 ± 19.4	0.8
Schirmer	7.4 ± 4.3	11.7 ± 5.6	0.01*
TBUT	8.3 ± 3.3	10.5 ± 3.2	0.009*

^*Statistically significant. OSDI: ocular surface disease index; TBUT: tear break-up time.