Table 1 Descriptive Statistics (n = 238)

 Age (years)

64.2 (10.1)^a

 BMI (kg/m²)

33.1 (5.9)^a

 Pre-operative HgbA1c^b

6.7(1.0)^a

 Length of Stay (hours)^c

85.7 (64.4)^a

 Yes

77 (32.4%)

 No

161 (67.7%)

 Male

133 (55.9%)

 Female

105 (44.1%)

 Type I

12 (5.0%)

 Type II

226 (95.0%)

 Oral Hyperglycemic

119 (50.0%)

 Insulin, < 0.6 units/kg/day or 80 units/day

59 (24.8%)

 Insulin, >  0.6 units/kg/day or 80 units/day

16 (6.7%)

 No medication

44 (18.5%)

 THA or Conversion THA

88 (37.0%)

 TKA

123 (51.7%)

 UKA

27 (11.3%)