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Table 1 Sociodemographic and clinical data of study participants

From: Bacterial profile and antimicrobial susceptibility patterns of isolates among patients diagnosed with surgical site infection at a tertiary teaching hospital in Ethiopia: a prospective cohort study

Variables

Totala

N (%)

Surgical site infection

\({x}^{2}\)(p-value)

Yes [n (%)] 53 (21.1)a

No [n (%)] 198 (78.9)a

Sex

Male

125 (49.80)

34 (64.15)

91 (45.96)

0.019

Female

126 (50.20)

19 (35.85)

107 (54.04)

Age (years)

  < 60

214 (85.30)

42 (79.2)

172 (86.90)

0.614

 ≥ 60

37 (14.70)

11 (20.8)

26 (13.10)

Residence

 

Rural

182 (72.50)

10 (18.87)

59 (29.80)

0.113

Urban

69 (27.50)

43 (81.13)

139 (70.20)

ASA score

  < 3

240 (95.60)

44 (83.02)

196 (99)

 < 0.001

  ≥ 3

11 (4.40)

9 (16.98)

2 (1)

Comorbidity

 

Yes

50 (20)

16 (30.2)

34 (17.20)

0.035

No

201 (80)

37 (69.8)

164 (82.80)

Preoperative hospital stay

 ≤ 7 days

190 (75.70)

43 (81.13)

147 (74.24)

0.299

 > 7 days

61 (24.30)

10 (18.87)

51 (25.76)

Wards

General surgery

143 (57)

27 (51)

116 (58.60)

 < 0.001

Orthopedics

39 (15.50)

19 (35.80)

20 (10.10)

Gynecology and obsteristics

69 (27.50)

7 (13.20)

62 (31.30)

Urgency of surgery

 

Scheduled

84 (33.50)

8 (15.09)

76 (38.38)

0.001

Emergent

167 (65.50)

45 (84.91)

122 (61.62)

Duration of surgery

 < 2 h

187 (74.50)

29 (54.72)

158 (79.80)

 < 0.001

 ≥ 2 h

64 (25.50)

24 (45.28)

40 (19.20)

Types of wound

Clean or clean contaminated

214 (85.30)

25 (47.17)

189 (95.45)

 < 0.001

Contaminated

37 (14.70)

28 (52.83)

9 (4.55)

Used antibiotic preoperatively

206 (82.10)

50 (94.34)

156 (78.79)

0.009

Used antibiotic post-operatively

45 (17.90)

23 (43.40)

22 (11.11)

 < 0.001

Duration of AMP

Within 24 h

40 (15.94)

3 (5.66)

37 (18.86)

0.007

  > 24 h

166 (66.14)

47 (88.68)

119 (60.10)

  1. ASA American Society of Anesthesiologists, AMP antimicrobial prophylaxis
  2. aPercentages are calculated from the number of a participant in each column