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√Õ¥◊Ë¡¢≥–ÕÿàπÊ °≈ÿà¡ G2 ®–‰¥â√—∫°“√Ωñ°„Àâµ√«® pH ‡æ◊ËÕª√—∫ª√‘¡“≥¬“°àÕπº ¡ SPC ≈–≈“¬πÈ”
·≈–¥◊Ë¡ 3 ‡«≈“À≈—ßÕ“À“√ ‡æ◊ËÕ√—°…“√–¥—∫ pH ¢Õßªí “«–Õ¬Ÿà√–À«à“ß 6.2-6.8 „π√“¬∑’˵√«®æ∫«à“
¡’‡¡Á¥‡≈◊Õ¥¢“«„πªí “«–µ—Èß·µàÀ√◊Õ‡∑à“°—∫ +1 ¢÷Èπ‰ª ®–‰¥â√—∫¬“ªØ‘™’«π–‡ªìπ‡«≈“ 2 ‡¥◊Õπ ·µà∂⓬—ß
µ√«®æ∫‡¡Á¥‡≈◊Õ¥¢“«„πªí “«–µàÕÕ’°°Á®–‰¥â√—∫¬“ªØ‘™’«π–„π¢π“¥µË”‡æ◊ËÕ§«∫§ÿ¡‡™◊ÈÕµ≈Õ¥°“√»÷°…“
°“√µ√«®∑“ßÀâÕߪؑ∫—µ‘°“√ ªí “«–∑’ˇ°Á∫¡“®–‰¥â√—∫°“√µ√«®À“ serum creatinine
‚¥¬«‘∏’¢Õß·®ø‡ø (Jaffeûs reaction), µ√«®À“calcium ‚¥¬«‘∏’ atomic absorption spectropho-
tometer, potassium ·≈– sodium ‚¥¬ flame photometry, uric acid ‚¥¬«‘∏’ uricase, oxalate
‚¥¬«‘∏’°“√¢Õß»√’∫ÿ≠≈◊Õ 9
°“√§”π«≥À“Õ—µ√“°“√≈¥¢π“¥¢Õßπ‘Ë«‰µ
¢π“¥¢Õßπ‘Ë«‰µ°“√∑”Õÿ≈µ√“´“«¥å·µà≈–§√—Èß®–∂Ÿ°∫—π∑÷°‰«â„π«’¥’‚Õ‡∑ª Õà“πº≈‚¥¬
ºŸâµ√«® Õ∫Õ¬à“ßπâÕ¬ 3 ∑à“π ‚¥¬∑à“πÀπ÷Ë߇ªìπ√—ß ’·æ∑¬å ´÷Ëß·µà≈–§π®–‰¡à√Ÿâ«à“ºŸâªÉ«¬π—ÈπÕ¬Ÿà°≈ÿࡉÀπ
¢π“¥‡ âπºà“»Ÿπ¬å°≈“ߢÕßπ‘Ë«„π™à«ß°àÕπ√—∫¬“·≈–À≈—ß ‘Èπ ÿ¥°“√√—°…“µ“¡‚§√ß°“√®–
∂Ÿ°π”¡“§”π«≥µ“¡ Ÿµ√¢â“ß≈à“ß °“√§”π«≥Õ—µ√“°“√≈¥¢π“¥¢Õßπ‘Ë«‰µ§‘¥‡ªìπ√âÕ¬≈–µàÕªï (Rate of
size reduction per year, ROSRPY) π—Èπ„™â Ÿµ√¥—ßµàÕ‰ªπ’È
ROSRPY (%)=52x (size wk 0-size wk N)x100 (%)
N x size wk 0
N = √–¬–‡«≈“‡ªìπ —ª¥“Àå¢Õß°“√√—°…“
Size wk 0 = §«“¡¬“«¢Õ߇ âπºà“»Ÿπ¬å°≈“ß (mm.) ∑’Ë°àÕπ√—°…“
Size wk N = §«“¡¬“«¢Õ߇ âπºà“»Ÿπ¬å°≈“ß (mm.) ≥ —ª¥“Àå∑’Ë N
∂‘µ‘∑’Ë„™â„π°“√«‘‡§√“–À凪√’¬∫‡∑’¬∫√–À«à“ß°≈ÿà¡ °√≥’ Continuous data À“°¡’°“√
°√–®“¬¢ÕߢâÕ¡Ÿ≈·∫∫ª°µ‘ t-test À“°°“√°√–®“¬‰¡àª°µ‘„™â Mann-Whitney U À√◊Õ Kruskal
Wallis Test ¢÷Èπ°—∫®”π«π°≈ÿà¡ °√≥’∑’ˇªìπ Categorical data „™â Chi square test À√◊Õ Fisher
exact test
º≈¢Õß°“√»÷°…“
°“√¢“¥À“¬‰ª ‚¥¬ºŸâ‡¢â“√à«¡°“√»÷°…“∑’Ë¢“¥‰ª 7 √“¬ Õ¬Ÿà„π°≈ÿà¡ G1 ®”π«π 2 √“¬
·≈–Õ¬Ÿà„π°≈ÿà¡ G2 ®”π«π 5 √“¬ „π°≈ÿà¡ G1 ∑—Èß Õß√“¬ ‡ πÕ«à“µπ‡Õ߉¡àÕ¬“°‡¢â“√à«¡‡æ√“–
§‘¥«à“µπ‡Õ߉¡à¡’ªí≠À“ à«π°≈ÿà¡ G2 ÕÕ°®“°°“√»÷°…“‚¥¬·®âß«à“ÕàÕπ‡æ≈’¬ ·≈–‡∫◊ËÕÕ“À“√¡“°®÷ß
¢ÕÕÕ°®“°°“√»÷°…“ °≈ÿà¡ G1 ¡’ºŸâªÉ«¬ 22 √“¬ ‚¥¬¡’°âÕππ‘Ë«®”π«π 33 °âÕπ ·≈–°≈ÿà¡ G2 ¡’ 19 √“¬
¡’π‘Ë«‰µ®”π«π 25 °âÕπ „π°“√»÷°…“π’È®–‰¡àπ”‡Õ“æ«°∑’ËÕÕ°®“°°“√»÷°…“¡“§‘¥‡π◊ËÕß®“°‰¡à “¡“√∂