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Table 6 Association of clinical characteristics with outcome among patients with secondary peritonitis at BMC

From: Etiology, treatment outcome and prognostic factors among patients with secondary peritonitis at Bugando Medical Centre, Mwanza, Tanzania

Predictor variable

Outcome (N = 97)

Chi2

p value

Survived (82)

Died (15)

n (%) or median (IQR)

n (%) or median (IQR)

Duration of illness

≤24 hours

3 (3.66)

0 (0.00)

-

0.601

>24 hours

79 (96.34)

15 (100.00)

Temperature

≤36 °C

2 (2.44)

0 (0.00)

-

0.233

36-38 °C

30 (36.59)

9 (60.00)

>38 °C

50 (60.98)

6 (40.00)

Comorbid illness

Yes

19 (23.17)

9 (60.00)

8.3764

0.004

No

63 (76.83)

6 (40.00)

HIV

Reactive

9 (10.98)

4 (26.67)

2.6900

0.101

Non reactive

73 (89.02)

11 (73.33)

CD4a

315 (203–330)

172.5 (117.5-342.5)

-

0.4398

Hemoglobin ± SDb

9.6 ± 2.7 g/dl

8.6 ± 2.4 gm/dl

-

0.1866

X ray

Normal

44 (54.66)

7 (46.67)

0.2486

0.618

Abnormal

38 (46.34)

8 (53.30)

Etiology of perforation

PUD

15 (18.3)

3 (20.0)

-

0.491

Typhoid

11 (13.4)

4 (26.7)

Appendicitis

20 (24.4)

3 (20.0)

Trauma

9 (11.0)

2 (13.3)

Neoplastic

1 (1.2)

1 (6.7)

Ischemia

17 (20.7)

1 (6.7)

Others

9 (11.0)

1 (6.7)

Mean waiting time ± SDb (hours)

7.29 ± 1.09

3.667 ± 1.68

-

0.8043

Complication

Yes

23 (28.02)

12 (80.00)

-

<0.001

No

59 (71.95)

3 (20.00)

  1. aCD4+ count was only done to patients with HIV infection
  2. bStandard deviation