Effectiveness of polymyxin B-immobilized fiber column in sepsis: a systematic review

Table 2 Characteristics of included studies: pre-post design studies

Study	Year	Country of origin	N	Percentage of males	APACHE II score	Predicted mortality (percentage)
Nakamura et al. [16] (h)	1998	Japan	24	58.3	26.8	59.8
Nakamura et al. [17] (i)	1998	Japan	17	58.8	23.1	46.4
Shimada et al. [20]	2000	Japan	40	NS	NS	N/A
Tani et al. [36] (b)	2001	Japan	88	71.6	24.2	50.4
Uriu et al. [24]	2002	Japan	24	66.7	NS	N/A
Ikeda et al. [34]	2004	Japan	66	NS	26.2	57.6
Nakamura et al. [18] (j)	2004	Japan	12	66.7	24.5	51.5
Tojimbara et al. [22]	2004	Japan	24	45.8	21.4	40.3
Kushi et al. [35]	2005	Japan	36	58.3	24	49.7
Ueno et al. [23]^a	2005	Japan	16	31.3	SSS 32	N/A
Kojika et al. [37]	2006	Japan	24	62.5	14.2	19.1
Casella et al. [38]	2006	Italy	14	57.1	26.5	58.7
Total			385

^aTwo studies reported severity of illness as SSS rather than APACHE score.
APACHE II score expressed as the mean. Predicted mortality was calculated as e^Logit/(1 + e^Logit), where Logit = -3.517 + (APACHE II) × 0.146. APACHE, Acute Physiology and Chronic Health Evaluation; N/A, not applicable; NS, not stated; SSS, Sepsis Severity Score.

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