Table 3 Clinical data of 456 patients with PUUV infection, significant p values were marked in bold

n

166

290

-

Age (years ± SD)

47.4 ± 14.6

48.8 ± 14.6

0.249

Female/male

63/103

102/188

0.613

Onset of symptoms prior to admission to hospital (days)

5.0 (3.6-7.0)

5.0 (3.0-7.0)

0.080

Duration of hospital stay (days)

7.0 (4.0-10.0)

7.0 (5.0-9.0)

0.999

Symptoms

Abdominal pain

67/166

84/290

0.017

Back-/flank pain

119/166

188/290

0.147

Headache

108/166

139/290

0.0004

Visual disorders

41/166

60/290

0.349

Diarrhea

42/166

50/290

0.052

Nausea/vomiting

79/166

136/290

0.923

Laboratory findings

Thrombocytes at admission (×10⁹/L)

105.0 (76.5-174)

128.5 (87.8-213.5)

0.005

Minimum thrombocyte level (×10⁹/L)

96.0 (71.0-163.0)

124 (77.8-212.0)

0.007

Creatinine at admission (mg/dL [0.5-1.4])

1.8 (1.2-3.6)

1.8 (1.2-3.3)

0.983

Creatinine peak level (mg/dL [0.5-1.4])

3.0 (1.7-5.2)

2.7 (1.6-4.6)

0.218

CrP at admission (mg/dL [0.1-0.4])

4.4 (2.8-7.6)

3.9 (2.2-6.8)

0.094

CrP peak level (mg/dL [0.1-0.4])

5.0 (3.0-8.7)

4.5 (2.8-8.0)

0.340

Lactate dehydrogenase, serum

275.5 (247.0-327.0)

271.5 (240–324.5)

0.705

Clinical signs

Fever

144/166

265/290

0.149

Blood pressure

systolic

130.0 (119.0–146.0)

130.0 (120.0-146.0)

0.788

diastolic

80.0 (70.0–90.0)

80.0 (71.5-89.0)

0.951

Heart rate

77.6 (64.0–88.0)

74.5 (65.0-84.0)

0.148

Abdominal ultrasound

138/166

160/290

<0.0001

Abdominal CT scan

8/166

4/290

0.035