Effect of Different Durations of Eye-Covering Pretreatment on Emergence Delirium after Ophthalmic Surgery in Preschool-Aged Children: A Randomized Controlled Study
Table 1
Baseline characteristics of study subjects.
Variables
C group (n = 76)
30-min group (n = 76)
60-min group (n = 72)
F/χ 2
Age (yr)
4.55 ± 1.44
4.85 ± 1.46
4.68 ± 1.46
0.828^
0.438
Gender, M/F
40 (52.6)/36 (47.4)
38 (50.0)/38 (50.0)
45 (62.5)/27 (37.5)
2.575#
0.276
Diagnosis
7.480#
0.486
Cataract
12 (15.8)
6 (7.9)
9 (12.5)
Blepharoptosis
20 (26.4)
22 (28.9)
27 (37.5)
Trichiasis
21 (27.6)
21 (27.7)
11 (15.3)
Strabismus
21 (27.6)
25 (32.9)
22 (30.5)
Eye lid tumor
2 (2.6)
2 (2.6)
3 (4.2)
Duration of surgery (min)
39.21 ± 6.87
37.39 ± 8.97
38.08 ± 8.41
0.964^
0.383
Parent/Guardian education level
2.583#
0.859
Bachelor or above
47 (61.8)
49 (64.4)
39 (54.2)
High school
12 (15.8)
10 (13.2)
14 (19.5)
Junior high school
15 (19.8)
15 (19.8)
18 (25.0)
Primary school and below
2 (2.6)
2 (2.6)
1 (1.3)
Operative eye (%)
0.092#
0.955
Monocular
34 (44.7)
35 (46.1)
34 (47.2)
Binocular
42 (55.3)
41 (53.9)
38 (52.8)
Data are n (%) unless otherwise stated. Percentages might not add to 100% due to rounding; ^: One-way ANOVA test used to calculate F value; #: Chi-square test used to calculate χ 2 value.