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Table 2 Patient characteristics by dexamethasone group

From: Dexamethasone and postoperative hyperglycemia in diabetics undergoing elective hip or knee arthroplasty: a case control study in 238 patients

Characteristic Dexamethasone (N = 77) Non-Dexamethasone (N = 161) P-value
Age (years)c 66.4 (10.8) 63.1 (9.6) 0.021*d
BMI c 31.9 (5.6) 33.7 (5.9) 0.031* d
Pre-operative HgbA1c c 6.6 (0.7) 6.8 (1.1) 0.308 d
Length of Stay (hours) c 78.9 (76.7) 89.0 (57.7) 0.065e
Sex
 Male 76 (47.2%) 29 (37.7%) 0.165f
 Female 85 (52.8%) 48 (62.3%)
Type of diabetes
 Type I 2 (2.6%) 10 (6.2%) 0.233 f
 Type II 75 (97.4%) 151 (93.8%)
Medication
 Oral Hyperglycemic 33 (42.9%) 86 (53.4%) 0.020* f
 Insulin Aa 17 (22.1%) 42 (26.1%)
 Insulin Bb 4 (5.2%) 12 (7.5%)
 No medication 23 (29.9%) 21 (13.0%)
Procedure
 THA or Conversion THA 31 (40.3%) 57 (35.4%) < 0.001*f
 TKA 25 (32.5%) 98 (60.9%)
 UKA 21 (27.3%) 6 (3.7%)
  1. a< 0.6 units/kg/day or 80 units/day
  2. b> 0.6 units/kg/day or 80 units/day
  3. cContinuous variables presented as mean ± SD
  4. dTwo-sample T-test
  5. eWilcoxon Test
  6. fPearson chi-square test
  7. *P-value < 0.05