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Table 2 Clinical data comparison

From: Surgical treatment strategies for extra-pelvic intravenous leiomyomatosis

 A: type 1 surgery (N = 6)B:type 2 surgery (N = 7)C: double-incisions (N = 11)P value (group)P value (A vs B)P value (A vs C)P value (B vs C)
Operation timea (min)191 ± 31327 ± 80395 ± 88< 0.0010.004< 0.0010.074
Intraoperative blood lossb (ml)433 ± 1861200 ± 4511755 ± 12260.0040.0250.0041.000
Inpatient stayb (day)6.7 ± 0.58.1 ± 1.813.2 ± 4.9< 0.0010.6160.0010.042
Hospitalization expensea (RMB)68,969 ± 706694,332 ± 8540132,693 ± 17,719< 0.0010.003< 0.001< 0.001
  1. The data are shown as mean ± standard deviation
  2. a equal variance. bunequal variance