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Table 2 Statistical significance for different postoperative parameters between regional (Group 1) and radical (Group 2) mastectomy

From: Surgical stress and postoperative complications related to regional and radical mastectomy in dogs

Parameter

Regional mastectomy

Radical mastectomy

Statistical significance

Length of procedure

35 ± 11 min

48 ± 16 min

P < 0.02

Wound surgical size

11 ± 4 cm

24 ± 7 cm

P < 0.0001

Serum cortisol in T6

4.2 ± 2.3 mcg/dL

8.2 ± 5.3 mcg/dL

P < 0.004

Glycemia in T6

145,7 ± 46,0 mg/dL

192,6 ± 61,1 mg/dL

P < 0.01

Glycemia in T8

108,8 ± 22,2 mg/dL

121,8 ± 25,7 mg/dL

P < 0.04

Systolic arterial pressure in T6

91,0 ± 15,7 mmHg

102,9 ± 24,4 mmHg

P < 0.03

Postural disorders

88.9 %

98.5 %

P < 0.02

Response to surgical wound palpation

83.3 %

97.2 %

P < 0.05

Score in University of Colorado Scale (median)

T6 (2), T7 (1), T8 (1), T9 (1)

T6 (3), T7 (2), T8 (2), T9 (2)

P < 0.05

Score in Postoperative Nociception Evolution Scale (median)

T6 (6,5), T7 (4,5), T8 (4,0) T9 (4,0), T10 (3,0)

T6 (11,5), T7 (9,0), T8 (8,5), T9 (6,5), T10 (5,0)

P < 0.05

Rescue analgesia

1/18 patients

10/18 patients

P < 0.005

  1. T6, 2 h after surgery; T7, 12 h after surgery; T8, 24 h after surgery; T9, 48 h after surgery; T10, 10 days after surgery