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Table 3 Presenting characteristics of cats and dogs that underwent diaphragmatic herniorrhaphy and associations with mortality

From: Prognostic indicators for perioperative survival after diaphragmatic herniorrhaphy in cats and dogs: 96 cases (2001-2013)

Characteristic Category Dogs (n = 79) Cats (n = 17) All cases (n = 96) OR (95% CI) P-value
Hernia duration Acute
Chronic
48 (60.8%)
31 (39.2%)
12 (70.6%)
5 (29.4%)
60 (62.5%)
36 (37.5%)
1.3 (0.4–3.7)
Ref
0.69
-
Survival Acute
Chronic
All
38/48(79.2%)
25/31(80.6%)
63/79(79.8%)
10/12 (83.3%)
5/5 (100.0%)
15/17(88.2%)
48/60 (80.0%)
30/36 (83.3%)
78/96 (81.3%)
-
Respiratory rate at presentation Mean (SD)
>40bpm
≤40bpm
54 (19.0)
55 (73.3%)
20 (26.7%)
52 (17.0)
4 (23.5%)
13 (76.5%)
53 (18.0)
68 (73.9%)
24 (26.1%)
0.3 (0.1–1.0)
Ref
0.05
Dyspnoea at presentation Dyspnoeic
Non–dyspnoeic
13 (16.5%)
66 (83.5%)
4 (23.5%)
13 (76.5%)
17 (17.7%)
79 (82.3%)
0.9 (0.2–3.6)
Ref
0.90
Pulse oximetry at presentation <95%
≥95%
25 (31.7%)
54 (68.4%)
5 (29.4%)
12 (70.6%)
30 (31.3%)
66 (68.8%)
0.6 (0.2–1.9)
Ref
0.36
Thoracocentesis at presentation Performed
Not performed
10 (13.2%)
66 (86.8%)
4 (23.5%)
13 (76.5%)
14 (15.0%)
79 (85.0%)
0.8 (0.2–3.9)
Ref
0.75
Oxygen dependent Yes
No
46 (58.3%)
33 (41.8%)
9 (53.0%)
8 (47.0%)
55 (57.3%)
41 (42.7%)
5.0 (1.3–18.7)
Ref
0.02*
Oxygen dependent Preoperative
Postoperative
None
28 (35.4%)
18 (22.8%)
33 (41.8%)
8 (47.1%)
1 (5.9%)
8 (47.1%)
36 (37.5%)
19 (19.8%)
41 (42.7%)
4.2 (1.0–17.1)
5.8 (1.3–26.8)
Ref
0.04*
0.02*
Serum lactate Elevated
Normal
Unknown
14 (17.7%)
36 (45.6%)
29 (36.7%)
7 (41.1%)
3 (17.6%)
7 (41.1%)
21 (21.9%)
39 (40.6%)
36 (37.5%)
0.9 (0.2–3.5)
Ref
0.89
  1. Results are for univariable logistic regression analysis
  2. OR Odds ratio, CI Confidence interval, Ref Reference category, SD Standard deviation
  3. *Indicates statistically significant difference