Table 2 Comparison of characteristics between first and second cataract surgery

Site surgery (Left vs. Right)

67/74

74/67

0.404^a

Classification of cataract

0.860^a

 Nuclear

79

86

 Cortical

16

15

 Posterior subcapsular

13

11

 Mixed

33

29

Axial length

23 (19–27)

23 (20–27)

0.564^b

Intraocular pressure

15 (10–21)

15 (10–20)

0.642^b

Nuclear grading

4 (1–6)

4 (2–5)

0.325^b

Median operating room time (min)

18.5 (13–29)

19 (13–28)

0.769^b

Median phacoemulsification time (min)

3 (2–6)

3 (2–6)

0.754^b

MCP-1 (pg/ml)

2773(1027–3888)

3357 (2271–4989)

< 0.001^b

Median value of anxiety (range)

 STAI

9 (6–24)

8 (6–27)

0.101^b

 VAS anxiety

2 (0–8)

2 (0–8)

0.114^b

Median VAS pain (range)

1 (0–7)

2 (0–7)

< 0.001^b