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Table 3 Mode of arrival and characteristics of study participants, January 1, 2019- December 31, 2022 (N = 386)

From: Perioperative mortality rate and its predictors after emergency laparatomy at Debre Markos comprehensive specialized hospital, Northwest Ethiopia: 2023: retrospective follow-up study

Covariates

Category

Event

N (%)

Censored

N (%)

Total

N (%)

Referral status

Referred from other health institution

60(18.1)

254(81.9)

310(80.3)

Came directly without referral

16(26.3)

56(73.7)

76(19.7)

WHO checklist use

Yes

46(19.2)

194(80.8)

240(62.2)

No

30(20.5)

116(79.5)

146(37.8)

Comorbidity

Yes

74(71.2)

30(28.8)

104(26.9)

No

236(83.7)

46(16.3)

282(73.1)

Mode of arrival

By ambulance

18(21.7)

65(78.3)

83(21.5)

By themselves

58(19.2)

245(80.8)

303(78.5)

Duration of symptoms

≤ 3 days

14(10.6)

118(89.4)

132(34.2)

> 3days

62(26.4)

192(75.6)

254(65.8)

Causes of Admission

Complications of appendicitis

10(6.8)

136(93.2)

146(37.8)

Small bowel related

21(23.9)

67(76.1)

88(62.2)

Large bowel related

29(31.2)

64(68.8)

93(24.1)

Perforated peptic ulcer and Gall Bladder

16(27.1)

43(72.4)

59(72.9)

Preoperative hypotension

Yes

9(37.5)

15(62.5)

24(6.2)

No

67(18.5)

295(81.5)

362(93.8)

Fever

Yes

26(27.4)

69(72.6)

95(24.6)

No

50(17.2)

241(82.8)

291(75.4)

History of Previous Surgery

Yes

20(26.7)

55(73.3)

75(19.4)

No

56(18.1)

255(81.9)

311(80.6)

Degree of Peritonitis

Localized

4(3.4)

114(96.6)

118(30.6)

Generalized

72(26.9)

196(73.1)

268(69.4)

Severe anemia

Yes

74(19.4)

307(80.6)

381(98.7)

No

2(40)

3(60)

5(1.3)

American Society of Anesthesiology status score

IE or IIE

69(18.5)

303(81.5)

372(96.3)

IIIE or IVE

7(50)

7(50)

14(3.7)

Duration of Procedure

< 1 h

15(7.3)

191(92.7)

206(53.3)

≥ 1 h

61(33.9)

119(66.1)

180(46.4)

Postoperative Complications

Yes

16(8.8)

166(91.2)

182(47.2)

No

60(29.4)

144(70.6)

204(52.8)