Variable (unit) | French Bulldogs (n = 30) | Pugs (n = 15) | Boston Terriers (n = 12) | Brachycephalic dogs (n = 57) | Non-brachycephalic dogs (n = 10) |
---|---|---|---|---|---|
Age (years) | 1.52 (1.06–2.57)** | 3.08 (1.12–4.42) | 3.22 (1.62–6.56) | 2.22 (1.26–4.07) | 3.48 (2.86–4.85) |
Weight (kg) | 10.0 (9.15–12.25)** | 9.0 (7.70–10.0)** | 7.15 (6.35–9.93)** | 9.5 (8.0–11.6)** | 13.3 (10.90–14.70) |
LA/Ao | 1.56 (1.44–1.60)** | 1.49 (1.45–1.62) | 1.55 (1.50–1.68)** | 1.55 (1.47–1.62)** | 1.44 (1.35–1.54) |
AoI (cm/kg1/3) | 0.71 (0.65–0.75) | 0.67 (0.62–0.77) | 0.73 (0.63–0.76) | 0.71 (0.64–0.76) | 0.75 (0.71–1.18) |
LASaxI (cm/kg1/3) | 1.10 (1.01–1.15) | 1.01 (0.94–1.12) | 1.09 (1.03–1.13) | 1.08 (1.01–1.14) | 1.06 (1.01–1.19) |
LALaxI (cm/kg1/3) | 1.16 (1.07–1.20) | 1.0 (0.97–1.12)** | 1.24 (1.20–1.30) | 1.16 (1.03–1.22) | 1.20 (1.13–1.25) |
IVSdI (cm/kg1/3) | 0.33 (0.28–0.37) | 0.34 (0.29–0.35) | 0.39 (0.32–0.44) | 0.34 (0.29–0.38) | 0.36 (0.33–0.40) |
LVIDdI (cm/kg1/3) | 1.35 (1.27–1.48) | 1.27 (1.15–1.34)** | 1.45 (1.39–1.63) | 1.35 (1.27–1.47)** | 1.48 (1.30–1.56) |
LVPWdI (cm/kg1/3) | 0.35 (0.31–0.39) | 0.34 (0.29–0.37) | 0.36 (0.35–0.40) | 0.35 (0.31–0.38) | 0.33 (0.31–0.39) |
IVSsI (cm/kg1/3) | 0.43 (0.38–0.48)** | 0.39 (0.36–0.43)** | 0.57 (0.44–0.60) | 0.43 (0.38–0.53) | 0.51 (0.42–0.62) |
LVIDsI (cm/kg1/3) | 0.89 (0.75–0.98) | 0.91 (0.82–0.93) | 0.85 (0.75–0.98) | 0.89 (0.77–0.97) | 1.01 (0.88–1.03) |
LVPWsI (cm/kg1/3) | 0.46 (0.42–0.54) | 0.43 (0.38–0.48)** | 0.54 (0.51–0.58)** | 0.48 (0.42–0.54) | 0.49 (0.46–0.52) |
FS (%) | 36.5 (31.0–43.0) | 31.0 (25.0–37.0) | 40.0 (33.75–47.75)** | 36.0 (31.0–43.0) | 33.0 (28.75–36.75) |
RVIDbasI (cm/kg1/3) | 0.70 (0.60–0.77) | 0.65 (0.57–0.73)** | 0.73 (0.63–0.78) | 0.70 (0.60–0.76) | 0.68 (0.54–0.76) |
RVIDmidI (cm/kg1/3) | 0.72 (0.65–0.77) | 0.63 (0.61–0.77) | 0.83 (0.64–0.86) | 0.71 (0.63–0.82) | 0.72 (0.65–0.85) |
RVIDlongI(cm/kg1/3) | 1.30 (1.18–1.39) | 1.25 (1.19–1.36) | 1.32 (1.13–1.45) | 1.30 (1.18–1.39) | 1.27 (1.15–1.38) |
RVIDlong/RVIDmid | 1.78 (1.59–2.06) | 1.93 (1.65–2.14) | 1.75 (1.56–1.90) | 1.83 (1.60–2.06) | 1.79 (1.57–2.04) |
RVAdI (cm2/kg2/3) | 0.77 (0.70–0.89) | 0.57 (0.50–0.64)** | 0.88 (0.61–1.01) | 0.75 (0.60–0.90) | 0.85 (0.72–1.02) |
RVAsI (cm2/kg2/3) | 0.40 (0.35–0.45) | 0.27 (0.23–0.39)** | 0.44 (0.31–0.56) | 0.39 (0.31–0.48) | 0.52 (0.39–0.58) |
FAC (%) | 47.5 (43.0–56.0) | 47.0 (34.0–53.0) | 49.50 (39.0–55.5) | 48.0 (41.0–54.0) | 45.50 (39.75–46.25) |
RAAI (cm2/kg2/3) | 0.73 (0.66–0.86) | 0.60 (0.48–0.80) | 0.67 (0.55–0.85) | 0.71 (0.60–0.85) | 0.76 (0.66–4.75) |
TAPSEI (cm/kg1/3) | 0.50 (0.42–0.57)** | 0.47 (0.35–0.56)** | 0.52 (0.41–0.63) | 0.49 (0.41–0.58)** | 0.62 (0.55–0.67) |
MAPSEI (cm/kg1/3) | 0.39 (0.34–0.48) | 0.37 (0.29–0.40)** | 0.47 (0.41–0.54) | 0.40 (0.33–0.47) | 0.44 (0.39–0.52) |
CVCII (cm/kg1/3) | 0.23 (0.17–0.28) | 0.16 (0.13–0.22) | 0.25 (0.22–0.32)** | 0.23 (0.16–0.28) | 0.20 (0.20–0.23) |
CVCEI (cm/kg1/3) | 0.39 (0.35–0.45) | 0.35 (0.29–0.42) | 0.43 (0.38–0.48)** | 0.40 (0.35–0.44) | 0.39 (0.35–0.44) |
CVCCI (%) | 37.5 (33.3–50.0)** | 50.0 (43.7–53.6) | 40.0 (37.5–42.9)** | 42.86 (34.1–50.0) | 50 (44.1–51.79) |