Table 3 Multivariate analysis of the predictors of baseline, peak CRP and additive change in CRP following surgery

Baseline CRP (per 10 fold increase)

1.77 (1.25-2.52) P = 0.002

0.85 (0.58-1.26)

Waist:hip ratio (per 10% increase)

1.43 (1.02- 2.01) p = 0.04

1.46 (1.14-1,88) P = 0.002

1.41 (1.06- 1.59) P = 0.02

Age (per decade)

1.20 (0.81-1.56)

1.27 (1.00-1.62) p = 0.05

1.20 (0.92-1.57)

Duration of surgery (per minute)

1.05 (0.99-1.10) p = 0.06

1.05 (1.02-1.09) P = 0.007

1.06 (1.02-1.11) p = 0.004

Wound length (per cm)

1.17 (0.83-1.64)

0.94 (0.73-1.21)

1.07 (0.81-1.41)

Ethnic Group: n, %

White Caucasian

1.30 (0.77-2.20)

1.15 (0.78-1.69)

1.11 (0.71-1.71)

Afro Carib

1.52 (0.81-2.87)

0.88 (0.55-1.41)

0.99 (0.59-1.68)

Asian

1.91 (0.78-4.68)

1.04 (0.53-2.03)

1.26 (0.60-2.67)

Other (reference)

0.27 p = 0.04

0.96

0.72

Smoking status (%)

Current (reference)

0.97

0.96

0.96

Ex

1.17(0.47-1.38)

1.00 (0.75-1.33)

0.96 (0.70-1.33)

Never

0.89(0.62-1.26)

1.04 (0.81-1.35)

1.08 (0.81-1.45)

Exercise

<2 x /week (reference) 2 + x/week

0.80(0.47-1.38)

1.27 (0.86-1.89)

1.39 (0.89-2.17)

Occupation

Manual

0.96 (0.58-1.56)

0.90 (0.62-1.29)

0.84(0.56-1.26)

Non-manual

0.83 (0.54-1.26)

1.39 (1.02-1.89)

1.29(0.91-1.82)

Retired (reference)

1.27

0.81

0.93

Anti-hypertensive medication

1.12 (0.59-2.12)

1.34 (0.83-2.19)

1.47(0.91-2.40)