Table 1. Basic characteristics of women with ovarian hyperstimulation syndrome (OHSS).
All
(n=71)
Moderate OHSS
(n=38)
Severe OHSS
(n=31)
p
Baseline characteristic
Age, yrs
BMI, kg/m2

32.7±4.1
22.8±5.0

33.0±3.9
21.2±3.6

32.3±4.4
24.6±5.8

0.44
0.07
Concomitant diseases, n
-Not related to infertility, n
DM
Hypothyroidism
AH
Varicose veins
-Infertility cause, n
PCOS
Tubal
Male
Endometriosis
Unexplained


3
7
2
1

20
15
15
16
3


2
4
1
1

11
7
10
8
2


1
3
1
0

9
8
5
8
1


-
-
-
-

-
-
-
-
-
Time from OPU, days 4.6±0.9 4.5±0.9 4.8±0.8 0.17
ET, n 44 24 20 0.14
Protocol type
Agonist
Antagonist

40
29

18 (43.4)
20 (52.6)

22 (71.0)
9 (29.0)
0.047
Ovarian size, mm
Right
Left

100 [86-130]
80 [73.4-99.4]

88.3 [83.5-97.8]
76.0 [69.5-80.0]

131 [122.0-144.5]
99.8 [81.0-120.0]

<0.001
<0.001
Ultrasound ascites, n (%) 24 (63.2) 4 (12.9) -
Clinical ascites, n (%) - 0 (0) 23 (74.2) -
Pleural effusion, n (%) - 0 (0) 14 (45.2) -
Pericardial effusion, n (%) - 0 (0) 3 (9.7) -
Treatment
Cabergoline, n
Albumin, n
Furosemide, n

59
21
30

33
7
10

26
14
20

0.31
0.03
0.03

Values are given as mean ± SD, median (interquartile range), or percentage.
Abbreviations: BMI, body mass index; OHSS, ovarian hyperstimulation syndrome; OPU, oocyte pick-up; ET, embryo transfer; DM, diabetes mellitus; AH, arterial hypertension; PCOS, polycystic ovary syndrome.