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Table 1 Basic characteristics of patients among two groups

From: The effect of neostigmine on postoperative delirium after colon carcinoma surgery: a randomized, double-blind, controlled trial

  Group N
(n = 196)
Group P
(n = 205)
P-value
Age (year, \(\overline x\) ± s) 64.19 ± 10.51 63.34 ± 10.38 0.414
Sex, n (%)    0.834
  Male, n (%) 106(54.08%) 113(55.12%)  
  Female, n (%) 90(45.92%) 92(44.88%)  
Height (cm, \(\overline x\) ± s) 165.47 ± 7.81 165.78 ± 7.54 0.695
Body weight (kg, \(\overline x\) ± s) 66.95 ± 11.67 68.13 ± 11.43 0.309
ASA grade, n (%)    0.604
  I, n (%)
  II, n (%)
11(5.61%)
156(79.59%)
11(5.37%)
156(76.10%)
 
  III, n (%) 29(14.80%) 38(18.54%)  
Hypertension n, (%) 90(45.92%) 93(45.37%) 0.912
Diabetes n, (%) 53(27.04%) 52(25.37%) 0.703
Coronary heart disease n, (%) 50(25.51%) 43(20.98%) 0.282
Drinking history n, (%) 90(45.92%) 94(45.85%) 0.990
Smoking history n, (%) 72(36.73%) 81(39.51%) 0.567
Preoperative Hb (g/L, x ± s) 127.81 ± 20.72 127.29 ± 20.98 0.802
Preoperative albumin (g/L, \(\overline x\) ± s) 37.88 ± 4.04 37.84 ± 4.17 0.915
Years of education n, (%)    0.143
  0 n, (%) 10(5.10%) 15(7.32%)  
  1 to 6 n, (%) 52(26.53%) 50(24.39%)  
  7 to 9 n, (%) 73(37.24%) 84(40.98%)  
  10 to 12 n, (%) 56(28.57%) 43(20.98%)  
  > 12 n, (%) 5(2.55%) 13(6.34%)  
Preoperative MMSE score (point, \(\overline x\) ± s) 26.66 ± 1.34 26.72 ± 1.42 0.644
Preoperative PSQI score (point, \(\overline x\) ± s) 7.43 ± 3.56 7.44 ± 3.58 0.966