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Table 1 Characteristics of HBO-treated patients and outcome of HBO

From: Hyperbaric oxygen therapy for painful bladder syndrome/interstitial cystitis resistant to conventional treatments: long-term results of a case series in Japan

Patient

Sex

Age(years)

Symptom duration (years)

Bladder capacity on FVC (ml)

Times of hydrodistension before HBO

Sessions of HBO treatment

Response to HBO

PBS/IC subtype based on hydrodistension

Observation duration after HBO (months)

1*

female

79

2.2

40

2

20

Responder

Ulcerative

50

2*

female

61

4.5

60

2

20

Responder

Ulcerative

44

3

female

28

1.8

80

1

10

Non-responder

Non-ulcerative

4

4

female

68

2.4

70

4

10

Responder

Ulcerative

33

5

female

57

3.6

80

4

10

Responder

Ulcerative

15

6

male

65

4

50

2

20

Non-responder

Non-ulcerative

30

7

female

70

3.2

100

1

10

Responder

Ulcerative

14

8

female

50

2.1

90

2

10

Non-responder

Non-ulcerative

4

9

female

70

6.4

40

6

10

Responder

Ulcerative

13

10

female

43

3.5

120

1

10

Non-responder

Ulcerative

3

11

female

70

3.2

50

4

10

Responder

Ulcerative

12

  1. *Two patients of case 1, 2 underwent additional 10 sessions after 13, 14 months, respectively.