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Table 1 Characteristics of the Epi and IV-PCA cohorts

From: Long non-coding RNA MIR4300HG polymorphisms are associated with postoperative nausea and vomiting: a genome-wide association study

  Epi cohort IV-PCA cohort All
Number 174 82 256
Age (years) 67 ± 13 68 ± 12 68 ± 13
Male/female 112/62 32/50 144/112
Height (cm) 159 ± 9 153 ± 9 158 ± 9
Weight (kg) 59 ± 10 58 ± 10 59 ± 10
Smoking status (smokers/non-smokers) 35/139 10/72 45/211
History of motion sickness (yes/no) 19/155 16/66 35/221
Type of surgery
 Abdominal (no laparoscopic) 138 7 145
 Abdominal (laparoscopic) 31 26 57
 Spine 0 19 19
 Upper extremities 0 3 3
 Lower extremities 0 10 10
 Mastectomy 0 11 11
 Thyroidectomy 0 2 2
 Unclassifiable 5 4 9
Duration of surgery (min) 192 ± 122 160 ± 104 182 ± 117
Use of nitrous oxide (used/not used) 62/112 50/32 112/144
  1. Data are presented as mean ± S.D. or number.