Research Article

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.

VariablesC group (n = 76)30-min group (n = 76)60-min group (n = 72)F/χ 2

Age (yr)4.55 ± 1.444.85 ± 1.464.68 ± 1.460.828^0.438
Gender, M/F40 (52.6)/36 (47.4)38 (50.0)/38 (50.0)45 (62.5)/27 (37.5)2.575#0.276

Diagnosis7.480#0.486
 Cataract12 (15.8)6 (7.9)9 (12.5)
 Blepharoptosis20 (26.4)22 (28.9)27 (37.5)
 Trichiasis21 (27.6)21 (27.7)11 (15.3)
 Strabismus21 (27.6)25 (32.9)22 (30.5)
 Eye lid tumor2 (2.6)2 (2.6)3 (4.2)

Duration of surgery (min)39.21 ± 6.8737.39 ± 8.9738.08 ± 8.410.964^0.383
Parent/Guardian education level2.583#0.859
 Bachelor or above47 (61.8)49 (64.4)39 (54.2)
 High school12 (15.8)10 (13.2)14 (19.5)
 Junior high school15 (19.8)15 (19.8)18 (25.0)
 Primary school and below2 (2.6)2 (2.6)1 (1.3)

Operative eye (%)0.092#0.955
 Monocular34 (44.7)35 (46.1)34 (47.2)
 Binocular42 (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.