Table I.
Main characteristics of the studies included in the meta-analysis.
| Gender (M/F) | MICA-TM A6 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Author, year | Country | Ethnicity | Case/Control | Case | Control | Case | Control | NOS | Refs. |
| Nishiyama et al, 2006 | Japan | Asian | 23/23 | 18/5 | 16/7 | 13 | 11 | 8 | (9) |
| Mizuki et al, 2002a | Iran | Asian | 84/87 | 64 | 53 | 8 | (17) | ||
| Park et al, 2002 | Korea | Asian | 108/204 | 69 | 92 | 7 | (8) | ||
| Salvarani et al, 2001 | Italy | Caucasian | 69/130 | 41/28 | 42 | 66 | 7 | (3) | |
| Gonzalez et al, 1999 | Spain | Caucasian | 58/194 | 41 | 119 | 6 | (12) | ||
| Yabuki et al, 1999 | Greece | Caucasian | 38/40 | 27/11 | 33 | 20 | 8 | (14) | |
| Mizuki et al, 1997 | Japan | Asian | 77/103 | 57 | 47 | 8 | (7) | ||
| Muzuki et al, 2001 | Jordan | Asian | 49/50 | 35/14 | 43 | 31 | 7 | (16) | |
| Muzuki et al, 2000 | Japan | Asian | 95/132 | 67 | 62 | 8 | (15) | ||
| Muzuki et al, 2000 | Greece | Caucasian | 55/52 | 44 | 30 | 8 | (15) | ||
| Muzuki et al, 2000 | Italy | Caucasian | 22/28 | 17 | 16 | 7 | (15) | ||
| Ota et al, 1999 | Japan | Asian | 74/132 | 56 | 62 | 7 | (13) | ||
All samples genotyped using PCR except
a
PCR-SSP. The age range, where available were as follows: Nishiyama et al (9), case=47.8±13.7 years, control=40.2±13.7 years; Park et al (8), case=41.2 years (range, 21–62). M, male; F, female; MICA-TM A6, major histocompatibility complex class I chain related A allele 6; NOS, Newcastle-Ottawa scale.