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Table 4 Coefficient of risk factors for duration of hospitalization among patients with successful expectant management (n = 93)

From: Factors associated with an unfavorable clinical course in hospitalized patients with pelvic inflammatory disease: a retrospective cohort study of 117 patients from a Japanese academic institution

 

Coefficient (95% CI)

p value

Adjusted coefficient

p value

Age (years)

0.11 (0.03 to 0.19)

0.008

0.14 (0.05 to 0.24)

0.004

Parity

 0

Reference

 

 ≥ 1

0.10 (− 1.90 to 2.11)

0.92

BMI

 < 18.5

− 0.93 (− 4.28 to 2.41)

0.58

0.40 (− 2.55 to 3.35)

0.79

 18.5–25

Reference

 

Reference

 

 25–30

1.73 (− 0.98 to 4.44)

0.21

0.88 (− 1.58 to 3.35)

0.48

 > 30

3.66 (0.78 to 6.53)

0.01

2.68 (0.09 to 5.26)

0.04

Smoking

− 1.31 (− 4.52 to 1.91)

0.42

Post-menopause

0.71 (− 2.51 to 3.93)

0.66

− 3.76 (− 7.51 to − 0.009)

0.049

Past medical history of PID

0.54 (− 2.25 to 3.33)

0.70

 

DM

3.61 (− 3.24 to 10.5)

0.31

Uterine fibroma

1.97 (− 0.13 to 4.06)

0.07

Endometrioma

1.07 (− 0.93 to 3.07)

0.29

Adenomyosis

2.82 (0.17 to 5.47)

0.04

Intrauterine manipulation

0.48 (− 2.39 to 3.36)

0.74

Sexual intercourse before the onset of PID

− 2.56 (− 6.09 to 0.96)

0.15

Fever (38.0 °C)

1.64 (− 0.38 to 3.66)

0.11

Tubo-ovarian abscess

1.08 (− 1.0 to 3.15)

0.31

WBC at admission

0.34 (0.16 to 0.51)

 < 0.001

0.18 (0.009 to 0.36)

0.04

CRP at admission

0.21 (0.10 to 0.31)

 < 0.001

0.19 (0.092 to 0.29)

 < 0.001

  1. BMI body mass index, CI confidence interval, CRP C-reactive protein, DM diabetes mellitus, OR odds ratio, PID pelvic inflammatory disease, WBC white blood cell count
  2. Significantly increased or reduced coefficients are indicated by boldface