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Table 1 Demographic data and clinical features of the patients

From: Early initial video-electro-encephalography combined with variant location predict prognosis of KCNQ2-related disorder

variable

Category

Long-term outcome (n = 52)

Normal group (n = 17)

Mild impairment group (n = 2)

encephalopathy group (n = 33)

n (%)

n (%)

n (%)

Sex

Male

7 (41.18)

1 (50)

21 (63.34)

Female

10 (58.82)

1 (50)

12 (36.36)

Birth weight(g)

Median (interquartile range IQR)

3350 (3045–3665)

/

3150 (2908–3600)

Gestational age (weeks)

Median (IQR)

39.43 (39.00–40.00)

/

39.43 (38.00–40.00)

Age of initial seizures (days)

Median (IQR)

3 (2.5–4.0)

/

2 (1.5–3.5)

Score of Early interictal VEEG

0

6 (35.29)

0

0

1

5 (29.41)

1 (50)

0

2

5 (29.41)

1 (50)

2 (6.06)

3

1 (5.9)

0

10 (30.30)

4

0

0

21 (63.64)

Variant location

Key spots

3 (17.65)

1 (50)

22 (66.67)

Non-key spots

14 (82.35)

1 (50)

11 (33.33)

Delivery type

Vaginal delivery

9 (52.94)

1 (50)

16 (48.48)

Cesarean section

8 (47.06)

1 (50)

17 (51.52)

  1. /: not applicable because n = 2