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Table 1 Age, gravidity, parity, HCT change (%), Hb change (%), deficit (ml) and polypectomy time (min) data

From: Evaluation of whether there is residual polyp tissue after hysteroscopic morcellation at Cam and Sakura City Hospital: a retrospective cohort study

 

Group

n

Median(Min-Max)/Mean ± SD

z/t

p

Age*

R

35

42(21–45)

-1.394

0.163

M

35

40(22–45)

Gravidity*

R

35

3(0–8)

-1.035

0.301

M

35

2(0–9)

Parity*

R

35

3(0–7)

-1.621

0.105

M

35

2(0–9)

HCT Change (%) **

R

35

-0.10 ± 0.06

-1.037

0.303

M

35

-0.08 ± 0.091

Hb Change (%) **

R

35

-0.11 ± 0.06

-2.017

0.048

M

35

-0.07 ± 0.08

Deficit*

R

35

300(100–2000)

-2.884

0.004

M

35

500(100–2500)

Polypectomy time*

R

35

4.6 ± 1.5

-6.373

0.001

M

35

2.3 ± 0.2

  1. HCT: Hematocrit, Hb: Hemoglobin
  2. P < 0.05, *Mann Whitney U Test, **Independent Sample t-Test