Summary Table: Rates of death and sequelae according to treatment regimen

 

 

regimen 1

regimen 2

regimen 3

 

Author

Date

level of evidencea

regimenb

n

death

(%)

sequelae

(%)

regimenb

n

death

(%)

sequelae

(%)

regimenb

n

death

(%)

sequelae (%)

Statistical analysis

Visudhiphan

1975

4

18HSP

13

4

(30.8)

6

(46.2)

4HR/14HP

20

1

(5.0)

7

(35.0)

 

 

 

 

nonee

Chandra

1976

2b

?HSP

38

13 (34.2)

15

(39.5)

?HRE

42

4

(9.5)

6

(14.3)

 

 

 

 

death: p<0.05f

sequelae: p<0.01f

Girgis

1976

4

2HSP/22HP

44

15 (34.1)

1

(2.3)

2HSE/22HE

42

16 (38.1)

1

(2.4)

 

 

 

 

death:nsfg

Girgis

1978

2b

2HSE/22HE

35

17 (48.6)

6

(17.1)

2HSR/22HR

36

18 (50.0)

6

(16.7)

 

 

 

 

none

Rahajoe

1979

2b

3HSP/9HP/6H

 

19

5

(26.3)

11

(57.9)

1HSR/5HR/12H

22

6

(27.3)

7

(31.8)

 

 

 

 

death: nsf

sequelae: nsf 0.10>p>0.05

Sunakorn

1980

4

2HSP/10HP

17

8

(47.1)

4

(23.5)

6HR/6HP

16

5

(31.3)

3

(18.8)

2HRSE/4HRE

16

1

(6.3)

9

(56.3)

death:ns (p=0.3)fg for 1v2

death: p<0.05fg for 1v3

Ramachandran

1986

4

2HRS/4HS2E/6HE

 

69

18 (26.1)

28

(40.6)

2HRZS/10HE

 

24

8

(33.3)

9

(37.5)

2HR2ZS/10HE

70

18 (25.7)

27

(38.6)

none

Humphries

1990c

4

P,H,S,R,E,Z,Eth

199

13 (65.3)

63

(31.7)

 

 

 

 

 

 

 

 

no associationsi

Jacobs

1992

4

2(H/R)SE/10(H/R)E

 

4

2

(50.0)

2

(50.0)

2HRS/7HR

 

4

2

(50.0)

2

(50.0)

2HRZS/4HR

45

7

(15.6)

11

(24.4)

death: nsfh

sequelae:p=0.0048fh

death&sequelae:p=0.0012fh

Porkert

1997c

4

?HRZ(E/S), ?HRZ,

?HRd

34

17 (50.0)

6

(17.6)

 

 

 

 

 

 

 

 

no associationsi

a according to the Oxford Centre for Evidence Based Medicine

bwritten in standard TB therapy code

c numbers for individual regimens not stated

dno treatment length stated

 eno analysis performed by author but p=0.044 using 'Chi-square test (Table in Worksheet)' function in MiniTab

f Χ2 test

g sequelae not analysed

h statistics are for regimen 3 v regimens 1&2 combined

i no statistical associations between treatment regimen and outcome

 

n=number of patients assigned to regimen; P=para-aminosalicylic acid; H=isoniazid; S=streptomycin; E=ethambutol; R=rifampicin; Z=pyrazinamide; Eth=ethionamide; ?=treatment duration not known; ns=not significant; none=statistics not performed