Table 3. Clinical signs and symptoms before and after hyperthermic and mechanical squeezing treatments in MGD patients with severe dropout of the meibomian gland (Group 2).

	Before treatment	After treatment	p-value
Meibography score	5.15 (±0.37)	4.75 (±0.64)	*0.021b
OSDI	31.95 (±17.94)	23.65 (±16.22)	*0.049a
TBUT (seconds)	5.88 (±1.32)	9.03 (±3.04)	***< 0.001b
Schirmer’s test (mm)	6.78 (±4.76)	5.58 (±1.73)	0.226b
Expressibility of meibum	19.80 (±11.99)	29.83 (±11.92)	**0.001a
Cornea staining score	1.38 (±0.83)	1.15 (±0.56)	0.319b
Meibum quality score	2.33 (±0.73)	2.25 (±0.55)	0.492b

Data are presented as number and mean value ±standard deviation.

^a: Paired t-test results.

^b: Wilcoxon signed rank test results. OSDI: ocular surface disease index; TBUT: tear film break-up time.

* p<0.05,

** p<0.01,

*** p<0.001.