Table 1 Baseline clinico-demographic and laboratory data of the two groups

Age (years)

60 (19—79)

58 (19 – 77)

60 (19–79)

0.977^$

Sex: Male

22 (50%)

20 (45.5%)

42 (47.7%)

0.670^*

Female

22 (50%)

24 (54.5%)

46 (52.3%)

BMI (kg/m²)

27.4 ± 3.7

28.8 ± 3.8

27.9 ± 3.8

0.119^@

Diabetes

22 (50%)

24 (54.5%)

46 (52.3%)

0.269^*

Hypertension

30 (68.1%)

33 (75%)

63 (71.5%)

0.508^*

CKD

18 (40.9%)

11 (25%)

29 (32.9%)

0.178^*

SBP (mmHg)

129.1 ± 23.1

128.7 ± 22.2

129 ± 22.6

0.935^@

DBP (mmHg)

76.5 ± 10.5

76.5 ± 11.1

76.5 ± 10.6

0.972^@

MAP (mmHg)

94.1 ± 13.7

93.9 ± 14.2

94 ± 13.8

0.950^@

Dyspnea

12 (27.3%)

14 (31.8%)

26 (29.5%)

0.359^*

Congested neck veins

4 (9%)

5 (11.3%)

9 (10.2%)

0.284^f

 - No of pt. with CVP line

9 (20.5%)

10 (22.7%)

19 (21.5%)

0.117^*

 - CVP measurement (cm)

5 (3–10)

9 (4–24)

9 (3–24)

0.113^$

Edema

11 (25%)

11 (25%)

22 (25%)

0.152^*

Respiratory rate

21.6 ± .4

23 ± 3.6

22.2 ± 3.5

0.084^@

Baseline O2 saturation (%)

96 (91–98)

96 (92–99)

96 (91–99)

0.467^$

Baseline Urine output (ml/day)

200 (100–440)

200 (300–500)

200 (300–500)

0.726^$

Clinically assessed volume status

 - Hypovolemic

35 (79.5%)

34 (77.3%)

69 (78.4%)

0.815*

 - Hypervolemic

9 (20.5%)

10 (22.7%)

19 (21.5%)

Volume status by IVC (group 1)

 -Hypovolemic

38 (86.4%)

 -Euvolemic

2 (4.5%)

 - Hypervolemic

4 (9.1%)

Baseline serum creatinine mg/dl

11.8 (9.4–14)

8.9 (6–12.9)

9 (7–14)

0.432^$

Baseline hemoglobin g/dl

9.8 (8.8–11)

9.5 (7.7–10.9)

9.6 (5.6–15)

0.294^$

Baseline hematocrit

36 (34–40)

36 (34–40)

36 (30–45)

0.852^$

Baseline serum albumin g/dl

3.5 (3.2–4)

3.4 (3–3.8)

3.4 (3–4.5)

0.548^$

Baseline serum sodium mEq/L

135 (132.5–137)

134 (131–139)

135 (122–151)

0.529^$

Baseline serum potassium mEq/L

4 (3.5–7)

3.9 (3.4–5.7)

4 (2.6–7)

0.869$

IV fluid and diuretic therapy

 - IV fluid

38 (86.4%)

34 (77.3%)

72 (82%)

0.315^f

 -Diuretic

4 (9.1%)

10 (22.7%)

14 (16%)

0.315^f

 -Diuretics (furosemide) doses in hypervolemic patients (mg/d)

80 (40–240)

80 (40–200)

80 (40–240)

0.215^$