Table 2

Demographic characteristics and intraoperative data of the two groups

Viscoat group (n = 41)

Visthesia group (n = 36)

p


Continuous variables

mean ± SD

mean ± SD


Age (years)

77.6 ± 8.4

77.7 ± 8.7

0.949

BCVA preoperatively (LogMAR)

0.42 ± 0.22

0.41 ± 0.25

0.844

ECC preoperatively (cells/mm2)

2424.9 ± 449.03

2307.6 ± 382.63

0.225

CCT preoperatively (μm)

554.9 ± 43.75

560.2 ± 42.84

0.591

Macular thickness preoperatively (μm)

156.9 ± 23.33

159.2 ± 26.56

0.684

U/S duration intraoperatively (min)

0.83 ± 0.70

0.66 ± 0.38

0.483

Total operating time (min)

15.90 ± 2.97

14.43 ± 1.85

0.012

Intraoperative pain (VAS score)

3.27 ± 0.81

1.00 ± 0.76

<0.0001


Categorical and ordinal variables

N

N


Sex

Male/Female

15/26

11/25

0.577

Operated eye

Right/Left

20/21

19/17

0.726


BCVA = best corrected visual acuity; ECC = endothelial cell count; CCT = central corneal thickness; U/S = ultrasound; VAS = visual analog scale

Moschos et al. BMC Ophthalmology 2011 11:9   doi:10.1186/1471-2415-11-9

Open Data